125122042 has 16 divisors (see below), whose sum is σ = 189398664. Its totient is φ = 61992000.

The previous prime is 125122033. The next prime is 125122069. The reversal of 125122042 is 240221521.

It can be written as a sum of positive squares in 4 ways, for example, as 15689521 + 109432521 = 3961^2 + 10461^2 .

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, 151992 + ... + 152812.

Almost surely, 2^125122042 is an apocalyptic number.

125122042 is a deficient number, since it is larger than the sum of its proper divisors (64276622).

125122042 is a wasteful number, since it uses less digits than its factorization.

125122042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 125122042 is about 11185.7964401289. The cubic root of 125122042 is about 500.1626697380.

Adding to 125122042 its reverse (240221521), we get a palindrome (365343563).

The spelling of 125122042 in words is "one hundred twenty-five million, one hundred twenty-two thousand, forty-two".