124267429820 has 12 divisors (see below), whose sum is σ = 260961602664. Its totient is φ = 49706971920.

The previous prime is 124267429801. The next prime is 124267429829. The reversal of 124267429820 is 28924762421.

It is a super-2 number, since 2×124267429820² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124267429829) 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, 3106685726 + ... + 3106685765.

It is an arithmetic number, because the mean of its divisors is an integer number (21746800222).

Almost surely, 2^124267429820 is an apocalyptic number.

124267429820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124267429820 is an abundant number, since it is smaller than the sum of its proper divisors (136694172844).

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

124267429820 is a wasteful number, since it uses less digits than its factorization.

124267429820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213371500 (or 6213371498 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 124267429820 in words is "one hundred twenty-four billion, two hundred sixty-seven million, four hundred twenty-nine thousand, eight hundred twenty".