125557674 has 16 divisors (see below), whose sum is σ = 273944160. Its totient is φ = 38047760.

The previous prime is 125557651. The next prime is 125557693. The reversal of 125557674 is 476755521.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 951129 + ... + 951260.

It is an arithmetic number, because the mean of its divisors is an integer number (17121510).

Almost surely, 2^125557674 is an apocalyptic number.

125557674 is an abundant number, since it is smaller than the sum of its proper divisors (148386486).

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

125557674 is a wasteful number, since it uses less digits than its factorization.

125557674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902405.

The product of its digits is 294000, while the sum is 42.

The square root of 125557674 is about 11205.2520721312. The cubic root of 125557674 is about 500.7424622871.

It can be divided in two parts, 1 and 25557674, that added together give a triangular number (25557675 = T₇₁₄₉).

The spelling of 125557674 in words is "one hundred twenty-five million, five hundred fifty-seven thousand, six hundred seventy-four".