125630042 has 16 divisors (see below), whose sum is σ = 195243264. Its totient is φ = 60564000.

The previous prime is 125630039. The next prime is 125630053. The reversal of 125630042 is 240036521.

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, 13817 + ... + 21027.

It is an arithmetic number, because the mean of its divisors is an integer number (12202704).

Almost surely, 2^125630042 is an apocalyptic number.

125630042 is a deficient number, since it is larger than the sum of its proper divisors (69613222).

125630042 is a wasteful number, since it uses less digits than its factorization.

125630042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7525.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 125630042 is about 11208.4808069604. The cubic root of 125630042 is about 500.8386485508.

Adding to 125630042 its reverse (240036521), we get a palindrome (365666563).

The spelling of 125630042 in words is "one hundred twenty-five million, six hundred thirty thousand, forty-two".