125842738 has 48 divisors (see below), whose sum is σ = 241375680. Its totient is φ = 48059136.

The previous prime is 125842727. The next prime is 125842747. The reversal of 125842738 is 837248521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 125842738.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76056 + ... + 77692.

It is an arithmetic number, because the mean of its divisors is an integer number (5028660).

Almost surely, 2^125842738 is an apocalyptic number.

125842738 is a deficient number, since it is larger than the sum of its proper divisors (115532942).

125842738 is a wasteful number, since it uses less digits than its factorization.

125842738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1682 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 125842738 is about 11217.9649669626. The cubic root of 125842738 is about 501.1211349008.

The spelling of 125842738 in words is "one hundred twenty-five million, eight hundred forty-two thousand, seven hundred thirty-eight".