124021503012040 has 128 divisors (see below), whose sum is σ = 307290528040320. Its totient is φ = 44857006387200.

The previous prime is 124021503011977. The next prime is 124021503012053. The reversal of 124021503012040 is 40210305120421.

It is a junction number, because it is equal to n+sod(n) for n = 124021503011996 and 124021503012014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32982766 + ... + 36550045.

It is an arithmetic number, because the mean of its divisors is an integer number (2400707250315).

Almost surely, 2^{124021503012040} is an apocalyptic number.

124021503012040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124021503012040 is an abundant number, since it is smaller than the sum of its proper divisors (183269025028280).

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

124021503012040 is a wasteful number, since it uses less digits than its factorization.

124021503012040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69532943 (or 69532939 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 124021503012040 its reverse (40210305120421), we get a palindrome (164231808132461).

The spelling of 124021503012040 in words is "one hundred twenty-four trillion, twenty-one billion, five hundred three million, twelve thousand, forty".