125224842 has 16 divisors (see below), whose sum is σ = 259086240. Its totient is φ = 40302192.

The previous prime is 125224837. The next prime is 125224843. The reversal of 125224842 is 248422521.

It is a super-2 number, since 2×125224842² = 31362522107849928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125224843) 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, 359668 + ... + 360015.

It is an arithmetic number, because the mean of its divisors is an integer number (16192890).

Almost surely, 2^125224842 is an apocalyptic number.

125224842 is an abundant number, since it is smaller than the sum of its proper divisors (133861398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125224842 is a wasteful number, since it uses less digits than its factorization.

125224842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719717.

The product of its digits is 10240, while the sum is 30.

The square root of 125224842 is about 11190.3906098045. The cubic root of 125224842 is about 500.2996097655.

The spelling of 125224842 in words is "one hundred twenty-five million, two hundred twenty-four thousand, eight hundred forty-two".