124139034236 has 24 divisors (see below), whose sum is σ = 248310021120. Its totient is φ = 53195596272.

The previous prime is 124139034223. The next prime is 124139034251. The reversal of 124139034236 is 632430931421.

It is a self number, because there is not a number n which added to its sum of digits gives 124139034236.

It is a congruent number.

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, 60740 + ... + 501963.

It is an arithmetic number, because the mean of its divisors is an integer number (10346250880).

Almost surely, 2^124139034236 is an apocalyptic number.

It is an amenable number.

124139034236 is an abundant number, since it is smaller than the sum of its proper divisors (124170986884).

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

124139034236 is a wasteful number, since it uses less digits than its factorization.

124139034236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570593 (or 570591 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

Adding to 124139034236 its reverse (632430931421), we get a palindrome (756569965657).

The spelling of 124139034236 in words is "one hundred twenty-four billion, one hundred thirty-nine million, thirty-four thousand, two hundred thirty-six".