113625121 has 4 divisors (see below), whose sum is σ = 114796612. Its totient is φ = 112453632.

The previous prime is 113625089. The next prime is 113625203. The reversal of 113625121 is 121526311.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21752896 + 91872225 = 4664^2 + 9585^2 .

It is a cyclic number.

It is not a de Polignac number, because 113625121 - 2⁵ = 113625089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113625092 and 113625101.

It is not an unprimeable number, because it can be changed into a prime (113625521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 585600 + ... + 585793.

It is an arithmetic number, because the mean of its divisors is an integer number (28699153).

Almost surely, 2^113625121 is an apocalyptic number.

It is an amenable number.

113625121 is a deficient number, since it is larger than the sum of its proper divisors (1171491).

113625121 is an equidigital number, since it uses as much as digits as its factorization.

113625121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171490.

The product of its digits is 360, while the sum is 22.

The square root of 113625121 is about 10659.5084783493. The cubic root of 113625121 is about 484.3486789776.

The spelling of 113625121 in words is "one hundred thirteen million, six hundred twenty-five thousand, one hundred twenty-one".