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121123332 = 223211305867
BaseRepresentation
bin1110011100000…
…11001000000100
322102220200222100
413032003020010
5222001421312
620004032100
73000350151
oct716031004
9272820870
10121123332
1162409830
1234692630
131c12b315
141212d228
15a9785dc
hex7383204

121123332 has 36 divisors (see below), whose sum is σ = 334007856. Its totient is φ = 36703920.

The previous prime is 121123297. The next prime is 121123333. The reversal of 121123332 is 233321121.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (121123333) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152538 + ... + 153329.

It is an arithmetic number, because the mean of its divisors is an integer number (9277996).

Almost surely, 2121123332 is an apocalyptic number.

121123332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121123332 is an abundant number, since it is smaller than the sum of its proper divisors (212884524).

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

121123332 is a wasteful number, since it uses less digits than its factorization.

121123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305888 (or 305883 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 121123332 is about 11005.6045722168. The cubic root of 121123332 is about 494.7767343298.

Adding to 121123332 its reverse (233321121), we get a palindrome (354444453).

The spelling of 121123332 in words is "one hundred twenty-one million, one hundred twenty-three thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 305867 611734 917601 1223468 1835202 2752803 3364537 3670404 5505606 6729074 10093611 11011212 13458148 20187222 30280833 40374444 60561666 121123332