124023021332 has 36 divisors (see below), whose sum is σ = 261181497780. Its totient is φ = 51319868544.

The previous prime is 124023021329. The next prime is 124023021391. The reversal of 124023021332 is 233120320421.

It can be written as a sum of positive squares in 2 ways, for example, as 57708531076 + 66314490256 = 240226^2 + 257516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 124023021298 and 124023021307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10904153 + ... + 10915520.

It is an arithmetic number, because the mean of its divisors is an integer number (7255041605).

Almost surely, 2^124023021332 is an apocalyptic number.

It is an amenable number.

124023021332 is an abundant number, since it is smaller than the sum of its proper divisors (137158476448).

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

124023021332 is a wasteful number, since it uses less digits than its factorization.

124023021332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21819720 (or 21819711 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 124023021332 its reverse (233120320421), we get a palindrome (357143341753).

The spelling of 124023021332 in words is "one hundred twenty-four billion, twenty-three million, twenty-one thousand, three hundred thirty-two".