572757121 has 4 divisors (see below), whose sum is σ = 582146644. Its totient is φ = 563367600.

The previous prime is 572757113. The next prime is 572757131. The reversal of 572757121 is 121757275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 253956096 + 318801025 = 15936^2 + 17855^2 .

It is a cyclic number.

It is not a de Polignac number, because 572757121 - 2³ = 572757113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (572757131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4694670 + ... + 4694791.

It is an arithmetic number, because the mean of its divisors is an integer number (145536661).

Almost surely, 2^572757121 is an apocalyptic number.

It is an amenable number.

572757121 is a deficient number, since it is larger than the sum of its proper divisors (9389523).

572757121 is an equidigital number, since it uses as much as digits as its factorization.

572757121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9389522.

The product of its digits is 34300, while the sum is 37.

The square root of 572757121 is about 23932.3446615663. The cubic root of 572757121 is about 830.4691405939.

The spelling of 572757121 in words is "five hundred seventy-two million, seven hundred fifty-seven thousand, one hundred twenty-one".