124131400400 has 120 divisors (see below), whose sum is σ = 358767900480. Its totient is φ = 40319354880.

The previous prime is 124131400357. The next prime is 124131400427. The reversal of 124131400400 is 4004131421.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1113449 + ... + 1219848.

It is an arithmetic number, because the mean of its divisors is an integer number (2989732504).

Almost surely, 2^124131400400 is an apocalyptic number.

124131400400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124131400400 is an abundant number, since it is smaller than the sum of its proper divisors (234636500080).

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

124131400400 is a wasteful number, since it uses less digits than its factorization.

124131400400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333341 (or 2333330 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 124131400400 its reverse (4004131421), we get a palindrome (128135531821).

The spelling of 124131400400 in words is "one hundred twenty-four billion, one hundred thirty-one million, four hundred thousand, four hundred".