572124021 has 16 divisors (see below), whose sum is σ = 872243328. Its totient is φ = 326764800.

The previous prime is 572124017. The next prime is 572124023. The reversal of 572124021 is 120421275.

It is not a de Polignac number, because 572124021 - 2² = 572124017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 572123982 and 572124000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (572124023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45681 + ... + 56841.

It is an arithmetic number, because the mean of its divisors is an integer number (54515208).

Almost surely, 2^572124021 is an apocalyptic number.

It is an amenable number.

572124021 is a deficient number, since it is larger than the sum of its proper divisors (300119307).

572124021 is a wasteful number, since it uses less digits than its factorization.

572124021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13612.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 572124021 is about 23919.1141349340. The cubic root of 572124021 is about 830.1630400186.

Adding to 572124021 its reverse (120421275), we get a palindrome (692545296).

The spelling of 572124021 in words is "five hundred seventy-two million, one hundred twenty-four thousand, twenty-one".