124113321021 has 8 divisors (see below), whose sum is σ = 165486957664. Its totient is φ = 82740949200.

The previous prime is 124113320993. The next prime is 124113321037. The reversal of 124113321021 is 120123311421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 124113321021 - 2¹⁸ = 124113058877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124113321061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56851 + ... + 501456.

It is an arithmetic number, because the mean of its divisors is an integer number (20685869708).

Almost surely, 2^124113321021 is an apocalyptic number.

It is an amenable number.

124113321021 is a deficient number, since it is larger than the sum of its proper divisors (41373636643).

124113321021 is an equidigital number, since it uses as much as digits as its factorization.

124113321021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632411.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 124113321021 its reverse (120123311421), we get a palindrome (244236632442).

The spelling of 124113321021 in words is "one hundred twenty-four billion, one hundred thirteen million, three hundred twenty-one thousand, twenty-one".