124104021043220 has 48 divisors (see below), whose sum is σ = 260671722490368. Its totient is φ = 49631461351680.

The previous prime is 124104021043169. The next prime is 124104021043253. The reversal of 124104021043220 is 22340120401421.

It is a self number, because there is not a number n which added to its sum of digits gives 124104021043220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2403646805 + ... + 2403698435.

It is an arithmetic number, because the mean of its divisors is an integer number (5430660885216).

Almost surely, 2^{124104021043220} is an apocalyptic number.

124104021043220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124104021043220 is an abundant number, since it is smaller than the sum of its proper divisors (136567701447148).

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

124104021043220 is a wasteful number, since it uses less digits than its factorization.

124104021043220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73880 (or 73878 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 124104021043220 its reverse (22340120401421), we get a palindrome (146444141444641).

The spelling of 124104021043220 in words is "one hundred twenty-four trillion, one hundred four billion, twenty-one million, forty-three thousand, two hundred twenty".