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121124164 = 22719223521
BaseRepresentation
bin1110011100000…
…11010101000100
322102220202010011
413032003111010
5222001433124
620004040004
73000352450
oct716032504
9272822104
10121124164
116240a417
1234693004
131c12b805
141212d660
15a978994
hex7383544

121124164 has 72 divisors (see below), whose sum is σ = 267297408. Its totient is φ = 46949760.

The previous prime is 121124147. The next prime is 121124173. The reversal of 121124164 is 461421121.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232224 + ... + 232744.

It is an arithmetic number, because the mean of its divisors is an integer number (3712464).

Almost surely, 2121124164 is an apocalyptic number.

121124164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121124164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133648704).

121124164 is an abundant number, since it is smaller than the sum of its proper divisors (146173244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121124164 is a wasteful number, since it uses less digits than its factorization.

121124164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 572 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 121124164 is about 11005.6423710749. The cubic root of 121124164 is about 494.7778672063. Note that the first 3 decimals are identical.

Adding to 121124164 its reverse (461421121), we get a palindrome (582545285).

The spelling of 121124164 in words is "one hundred twenty-one million, one hundred twenty-four thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 19 23 28 38 46 76 92 133 161 266 322 361 437 521 532 644 722 874 1042 1444 1748 2084 2527 3059 3647 5054 6118 7294 8303 9899 10108 11983 12236 14588 16606 19798 23966 33212 39596 47932 58121 69293 83881 116242 138586 167762 188081 227677 232484 277172 335524 376162 455354 752324 910708 1316567 1593739 2633134 3187478 4325863 5266268 6374956 8651726 17303452 30281041 60562082 121124164