125040542 has 16 divisors (see below), whose sum is σ = 216648432. Its totient is φ = 53493120.

The previous prime is 125040541. The next prime is 125040563. The reversal of 125040542 is 245040521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125040541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166793 + ... + 167540.

It is an arithmetic number, because the mean of its divisors is an integer number (13540527).

Almost surely, 2^125040542 is an apocalyptic number.

125040542 is a deficient number, since it is larger than the sum of its proper divisors (91607890).

125040542 is a wasteful number, since it uses less digits than its factorization.

125040542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334363.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 125040542 is about 11182.1528338688. The cubic root of 125040542 is about 500.0540501570.

The spelling of 125040542 in words is "one hundred twenty-five million, forty thousand, five hundred forty-two".