124555250420 has 12 divisors (see below), whose sum is σ = 261566025924. Its totient is φ = 49822100160.

The previous prime is 124555250377. The next prime is 124555250423. The reversal of 124555250420 is 24052555421.

It can be written as a sum of positive squares in 2 ways, for example, as 91607918224 + 32947332196 = 302668^2 + 181514^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124555250423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3113881241 + ... + 3113881280.

It is an arithmetic number, because the mean of its divisors is an integer number (21797168827).

Almost surely, 2^124555250420 is an apocalyptic number.

124555250420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124555250420 is an abundant number, since it is smaller than the sum of its proper divisors (137010775504).

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

124555250420 is a wasteful number, since it uses less digits than its factorization.

124555250420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6227762530 (or 6227762528 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 35.

The spelling of 124555250420 in words is "one hundred twenty-four billion, five hundred fifty-five million, two hundred fifty thousand, four hundred twenty".