125678144 has 28 divisors (see below), whose sum is σ = 264065004. Its totient is φ = 59142144.

The previous prime is 125678107. The next prime is 125678209. The reversal of 125678144 is 441876521.

It can be written as a sum of positive squares in 2 ways, for example, as 102252544 + 23425600 = 10112^2 + 4840^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125678098 and 125678107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56669 + ... + 58844.

It is an arithmetic number, because the mean of its divisors is an integer number (9430893).

Almost surely, 2^125678144 is an apocalyptic number.

It is an amenable number.

125678144 is an abundant number, since it is smaller than the sum of its proper divisors (138386860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125678144 is a wasteful number, since it uses less digits than its factorization.

125678144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115542 (or 115532 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 125678144 is about 11210.6263874950. The cubic root of 125678144 is about 500.9025617841.

The spelling of 125678144 in words is "one hundred twenty-five million, six hundred seventy-eight thousand, one hundred forty-four".