125655107 has 4 divisors (see below), whose sum is σ = 126455616. Its totient is φ = 124854600.

The previous prime is 125655097. The next prime is 125655133. The reversal of 125655107 is 701556521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701556521 = 107 ⋅6556603.

It is a cyclic number.

It is not a de Polignac number, because 125655107 - 2⁶ = 125655043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125615107) 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, 400019 + ... + 400332.

It is an arithmetic number, because the mean of its divisors is an integer number (31613904).

Almost surely, 2^125655107 is an apocalyptic number.

125655107 is a deficient number, since it is larger than the sum of its proper divisors (800509).

125655107 is an equidigital number, since it uses as much as digits as its factorization.

125655107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800508.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 125655107 is about 11209.5988777476. The cubic root of 125655107 is about 500.8719545067.

The spelling of 125655107 in words is "one hundred twenty-five million, six hundred fifty-five thousand, one hundred seven".