115625121 has 4 divisors (see below), whose sum is σ = 154166832. Its totient is φ = 77083412.

The previous prime is 115625101. The next prime is 115625141. The reversal of 115625121 is 121526511.

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 an interprime number because it is at equal distance from previous prime (115625101) and next prime (115625141).

It is a cyclic number.

It is not a de Polignac number, because 115625121 - 2⁹ = 115624609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115625091 and 115625100.

It is not an unprimeable number, because it can be changed into a prime (115625101) 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, 19270851 + ... + 19270856.

It is an arithmetic number, because the mean of its divisors is an integer number (38541708).

Almost surely, 2^115625121 is an apocalyptic number.

It is an amenable number.

115625121 is a deficient number, since it is larger than the sum of its proper divisors (38541711).

115625121 is an equidigital number, since it uses as much as digits as its factorization.

115625121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38541710.

The product of its digits is 600, while the sum is 24.

The square root of 115625121 is about 10752.9122101875. The cubic root of 115625121 is about 487.1739600339.

The spelling of 115625121 in words is "one hundred fifteen million, six hundred twenty-five thousand, one hundred twenty-one".