124272272421 has 48 divisors (see below), whose sum is σ = 204158066112. Its totient is φ = 72176832000.

The previous prime is 124272272393. The next prime is 124272272437.

124272272421 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 7 + 227 + 2 + 421 = 666.

124272272421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 124272272421 - 2⁶ = 124272272357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124272272471) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 49780 + ... + 501021.

It is an arithmetic number, because the mean of its divisors is an integer number (4253293044).

Almost surely, 2^124272272421 is an apocalyptic number.

124272272421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

124272272421 is a deficient number, since it is larger than the sum of its proper divisors (79885793691).

124272272421 is a wasteful number, since it uses less digits than its factorization.

124272272421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550914 (or 550911 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

It can be divided in two parts, 124272 and 272421, that added together give a palindrome (396693).

The spelling of 124272272421 in words is "one hundred twenty-four billion, two hundred seventy-two million, two hundred seventy-two thousand, four hundred twenty-one".