124542421980 has 24 divisors (see below), whose sum is σ = 348718781712. Its totient is φ = 33211312512.

The previous prime is 124542421979. The next prime is 124542422003. The reversal of 124542421980 is 89124245421.

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, 1037853457 + ... + 1037853576.

It is an arithmetic number, because the mean of its divisors is an integer number (14529949238).

Almost surely, 2^124542421980 is an apocalyptic number.

124542421980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124542421980 is an abundant number, since it is smaller than the sum of its proper divisors (224176359732).

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

124542421980 is a wasteful number, since it uses less digits than its factorization.

124542421980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075707045 (or 2075707043 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 124542421980 in words is "one hundred twenty-four billion, five hundred forty-two million, four hundred twenty-one thousand, nine hundred eighty".