124744404220 has 48 divisors (see below), whose sum is σ = 276762407040. Its totient is φ = 47152093184.

The previous prime is 124744404203. The next prime is 124744404247. The reversal of 124744404220 is 22404447421.

It is a super-2 number, since 2×124744404220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2260789 + ... + 2315308.

It is an arithmetic number, because the mean of its divisors is an integer number (5765883480).

Almost surely, 2^124744404220 is an apocalyptic number.

124744404220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124744404220 is an abundant number, since it is smaller than the sum of its proper divisors (152018002820).

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

124744404220 is a wasteful number, since it uses less digits than its factorization.

124744404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576182 (or 4576180 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 34.

The spelling of 124744404220 in words is "one hundred twenty-four billion, seven hundred forty-four million, four hundred four thousand, two hundred twenty".