113195121 has 32 divisors (see below), whose sum is σ = 172876032. Its totient is φ = 65345280.

The previous prime is 113195113. The next prime is 113195123. The reversal of 113195121 is 121591311.

It is not a de Polignac number, because 113195121 - 2³ = 113195113 is a prime.

113195121 is a modest number, since divided by 95121 gives 1131 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 113195091 and 113195100.

It is not an unprimeable number, because it can be changed into a prime (113195123) 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, 46351 + ... + 48731.

It is an arithmetic number, because the mean of its divisors is an integer number (5402376).

Almost surely, 2^113195121 is an apocalyptic number.

It is an amenable number.

113195121 is a deficient number, since it is larger than the sum of its proper divisors (59680911).

113195121 is a wasteful number, since it uses less digits than its factorization.

113195121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2473.

The product of its digits is 270, while the sum is 24.

The square root of 113195121 is about 10639.3195741081. The cubic root of 113195121 is about 483.7369210387.

The spelling of 113195121 in words is "one hundred thirteen million, one hundred ninety-five thousand, one hundred twenty-one".