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121112341 = 717301763
BaseRepresentation
bin1110011100000…
…00011100010101
322102220010220021
413032000130111
5222001043331
620003505141
73000303130
oct716003425
9272803807
10121112341
1162401549
12346881b1
131c12630c
1412129217
15a975211
hex7380715

121112341 has 4 divisors (see below), whose sum is σ = 138414112. Its totient is φ = 103810572.

The previous prime is 121112333. The next prime is 121112351. The reversal of 121112341 is 143211121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121112341 - 23 = 121112333 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8650875 + ... + 8650888.

It is an arithmetic number, because the mean of its divisors is an integer number (34603528).

Almost surely, 2121112341 is an apocalyptic number.

It is an amenable number.

121112341 is a deficient number, since it is larger than the sum of its proper divisors (17301771).

121112341 is an equidigital number, since it uses as much as digits as its factorization.

121112341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17301770.

The product of its digits is 48, while the sum is 16.

The square root of 121112341 is about 11005.1052243947. The cubic root of 121112341 is about 494.7617681641.

Adding to 121112341 its reverse (143211121), we get a palindrome (264323462).

The spelling of 121112341 in words is "one hundred twenty-one million, one hundred twelve thousand, three hundred forty-one".

Divisors: 1 7 17301763 121112341