125648878 has 16 divisors (see below), whose sum is σ = 193446000. Its totient is φ = 61186752.

The previous prime is 125648863. The next prime is 125648893. The reversal of 125648878 is 878846521.

It is an interprime number because it is at equal distance from previous prime (125648863) and next prime (125648893).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7978 + ... + 17746.

It is an arithmetic number, because the mean of its divisors is an integer number (12090375).

Almost surely, 2^125648878 is an apocalyptic number.

125648878 is a deficient number, since it is larger than the sum of its proper divisors (67797122).

125648878 is a wasteful number, since it uses less digits than its factorization.

125648878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9939.

The product of its digits is 860160, while the sum is 49.

The square root of 125648878 is about 11209.3210320697. The cubic root of 125648878 is about 500.8636779285.

The spelling of 125648878 in words is "one hundred twenty-five million, six hundred forty-eight thousand, eight hundred seventy-eight".