125734542 has 32 divisors (see below), whose sum is σ = 258733440. Its totient is φ = 40717920.

The previous prime is 125734463. The next prime is 125734561. The reversal of 125734542 is 245437521.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 28309 + ... + 32447.

It is an arithmetic number, because the mean of its divisors is an integer number (8085420).

Almost surely, 2^125734542 is an apocalyptic number.

125734542 is an abundant number, since it is smaller than the sum of its proper divisors (132998898).

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

125734542 is a wasteful number, since it uses less digits than its factorization.

125734542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288.

The product of its digits is 33600, while the sum is 33.

The square root of 125734542 is about 11213.1414866664. The cubic root of 125734542 is about 500.9774771649.

The spelling of 125734542 in words is "one hundred twenty-five million, seven hundred thirty-four thousand, five hundred forty-two".