124749895544 has 64 divisors (see below), whose sum is σ = 254821140000. Its totient is φ = 57028866048.

The previous prime is 124749895511. The next prime is 124749895561. The reversal of 124749895544 is 445598947421.

It is a super-2 number, since 2×124749895544² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12765092 + ... + 12774860.

Almost surely, 2^124749895544 is an apocalyptic number.

It is an amenable number.

124749895544 is an abundant number, since it is smaller than the sum of its proper divisors (130071244456).

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

124749895544 is a wasteful number, since it uses less digits than its factorization.

124749895544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720 (or 12716 counting only the distinct ones).

The product of its digits is 58060800, while the sum is 62.

The spelling of 124749895544 in words is "one hundred twenty-four billion, seven hundred forty-nine million, eight hundred ninety-five thousand, five hundred forty-four".