125111542 has 16 divisors (see below), whose sum is σ = 198028800. Its totient is φ = 59118120.

The previous prime is 125111533. The next prime is 125111563. The reversal of 125111542 is 245111521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12559 + ... + 20197.

It is an arithmetic number, because the mean of its divisors is an integer number (12376800).

Almost surely, 2^125111542 is an apocalyptic number.

125111542 is a deficient number, since it is larger than the sum of its proper divisors (72917258).

125111542 is a wasteful number, since it uses less digits than its factorization.

125111542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091.

The product of its digits is 400, while the sum is 22.

The square root of 125111542 is about 11185.3270850700. The cubic root of 125111542 is about 500.1486784517.

The spelling of 125111542 in words is "one hundred twenty-five million, one hundred eleven thousand, five hundred forty-two".