124012842 has 16 divisors (see below), whose sum is σ = 248286432. Its totient is φ = 41294160.

The previous prime is 124012831. The next prime is 124012843. The reversal of 124012842 is 248210421.

It is not an unprimeable number, because it can be changed into a prime (124012843) 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, 4384 + ... + 16347.

It is an arithmetic number, because the mean of its divisors is an integer number (15517902).

Almost surely, 2^124012842 is an apocalyptic number.

124012842 is an abundant number, since it is smaller than the sum of its proper divisors (124273590).

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

124012842 is a wasteful number, since it uses less digits than its factorization.

124012842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21733.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 124012842 is about 11136.1053335536. The cubic root of 124012842 is about 498.6803092303.

The spelling of 124012842 in words is "one hundred twenty-four million, twelve thousand, eight hundred forty-two".