125630878 has 8 divisors (see below), whose sum is σ = 188547480. Its totient is φ = 62781720.

The previous prime is 125630809. The next prime is 125630909. The reversal of 125630878 is 878036521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 125630878.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11913 + ... + 19828.

It is an arithmetic number, because the mean of its divisors is an integer number (23568435).

Almost surely, 2^125630878 is an apocalyptic number.

125630878 is a deficient number, since it is larger than the sum of its proper divisors (62916602).

125630878 is a wasteful number, since it uses less digits than its factorization.

125630878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33722.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 125630878 is about 11208.5181000880. The cubic root of 125630878 is about 500.8397594851.

The spelling of 125630878 in words is "one hundred twenty-five million, six hundred thirty thousand, eight hundred seventy-eight".