125678122 has 16 divisors (see below), whose sum is σ = 203804640. Its totient is φ = 57922128.

The previous prime is 125678107. The next prime is 125678209. The reversal of 125678122 is 221876521.

It is a happy 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, 43288 + ... + 46099.

It is an arithmetic number, because the mean of its divisors is an integer number (12737790).

Almost surely, 2^125678122 is an apocalyptic number.

125678122 is a deficient number, since it is larger than the sum of its proper divisors (78126518).

125678122 is a wasteful number, since it uses less digits than its factorization.

125678122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89445.

The product of its digits is 13440, while the sum is 34.

The square root of 125678122 is about 11210.6254062831. The cubic root of 125678122 is about 500.9025325564.

The spelling of 125678122 in words is "one hundred twenty-five million, six hundred seventy-eight thousand, one hundred twenty-two".