125759642 has 16 divisors (see below), whose sum is σ = 200750400. Its totient is φ = 58880448.

The previous prime is 125759629. The next prime is 125759657. The reversal of 125759642 is 246957521.

It is a self number, because there is not a number n which added to its sum of digits gives 125759642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2528 + ... + 16059.

It is an arithmetic number, because the mean of its divisors is an integer number (12546900).

Almost surely, 2^125759642 is an apocalyptic number.

125759642 is a deficient number, since it is larger than the sum of its proper divisors (74990758).

125759642 is a wasteful number, since it uses less digits than its factorization.

125759642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18805.

The product of its digits is 151200, while the sum is 41.

The square root of 125759642 is about 11214.2606532932. The cubic root of 125759642 is about 501.0108111446.

The spelling of 125759642 in words is "one hundred twenty-five million, seven hundred fifty-nine thousand, six hundred forty-two".