572121162 has 72 divisors (see below), whose sum is σ = 1330200300. Its totient is φ = 177666048.

The previous prime is 572121139. The next prime is 572121197. The reversal of 572121162 is 261121275.

It can be written as a sum of positive squares in 6 ways, for example, as 446434641 + 125686521 = 21129^2 + 11211^2 .

It is a super-3 number, since 3×572121162³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 566514 + ... + 567522.

Almost surely, 2^572121162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 572121162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665100150).

572121162 is an abundant number, since it is smaller than the sum of its proper divisors (758079138).

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

572121162 is a wasteful number, since it uses less digits than its factorization.

572121162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160 (or 1140 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 572121162 is about 23919.0543709403. The cubic root of 572121162 is about 830.1616571948.

The spelling of 572121162 in words is "five hundred seventy-two million, one hundred twenty-one thousand, one hundred sixty-two".