124015393842 has 32 divisors (see below), whose sum is σ = 250474963200. Its totient is φ = 40932673488.

The previous prime is 124015393841. The next prime is 124015393871. The reversal of 124015393842 is 248393510421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 124015393794 and 124015393803.

It is not an unprimeable number, because it can be changed into a prime (124015393841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119913 + ... + 512259.

It is an arithmetic number, because the mean of its divisors is an integer number (7827342600).

Almost surely, 2^124015393842 is an apocalyptic number.

124015393842 is an abundant number, since it is smaller than the sum of its proper divisors (126459569358).

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

124015393842 is a wasteful number, since it uses less digits than its factorization.

124015393842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392870.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 124015393842 in words is "one hundred twenty-four billion, fifteen million, three hundred ninety-three thousand, eight hundred forty-two".