113906121 has 32 divisors (see below), whose sum is σ = 188620800. Its totient is φ = 59667840.

The previous prime is 113906119. The next prime is 113906123. The reversal of 113906121 is 121609311.

It is an interprime number because it is at equal distance from previous prime (113906119) and next prime (113906123).

It is not a de Polignac number, because 113906121 - 2¹ = 113906119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113906091 and 113906100.

It is not an unprimeable number, because it can be changed into a prime (113906123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7765 + ... + 16973.

It is an arithmetic number, because the mean of its divisors is an integer number (5894400).

Almost surely, 2^113906121 is an apocalyptic number.

It is an amenable number.

113906121 is a deficient number, since it is larger than the sum of its proper divisors (74714679).

113906121 is a wasteful number, since it uses less digits than its factorization.

113906121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9269.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 113906121 is about 10672.6810596026. The cubic root of 113906121 is about 484.7476222631.

The spelling of 113906121 in words is "one hundred thirteen million, nine hundred six thousand, one hundred twenty-one".