125122942 has 32 divisors (see below), whose sum is σ = 227174400. Its totient is φ = 50489568.

The previous prime is 125122931. The next prime is 125122951. The reversal of 125122942 is 249221521.

It is a super-2 number, since 2×125122942² = 31311501229470728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125122942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44659 + ... + 47377.

It is an arithmetic number, because the mean of its divisors is an integer number (7099200).

Almost surely, 2^125122942 is an apocalyptic number.

125122942 is a deficient number, since it is larger than the sum of its proper divisors (102051458).

125122942 is a wasteful number, since it uses less digits than its factorization.

125122942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920.

The product of its digits is 2880, while the sum is 28.

The square root of 125122942 is about 11185.8366696461. The cubic root of 125122942 is about 500.1638689547.

The spelling of 125122942 in words is "one hundred twenty-five million, one hundred twenty-two thousand, nine hundred forty-two".