124152436420 has 12 divisors (see below), whose sum is σ = 260720116524. Its totient is φ = 49660974560.

The previous prime is 124152436399. The next prime is 124152436433. The reversal of 124152436420 is 24634251421.

It can be written as a sum of positive squares in 2 ways, for example, as 61579415104 + 62573021316 = 248152^2 + 250146^2 .

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 3 ways as a sum of consecutive naturals, for example, 3103810891 + ... + 3103810930.

It is an arithmetic number, because the mean of its divisors is an integer number (21726676377).

Almost surely, 2^124152436420 is an apocalyptic number.

124152436420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124152436420 is an abundant number, since it is smaller than the sum of its proper divisors (136567680104).

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

124152436420 is a wasteful number, since it uses less digits than its factorization.

124152436420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207621830 (or 6207621828 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 124152436420 its reverse (24634251421), we get a palindrome (148786687841).

The spelling of 124152436420 in words is "one hundred twenty-four billion, one hundred fifty-two million, four hundred thirty-six thousand, four hundred twenty".