1052561272 has 32 divisors (see below), whose sum is σ = 2267320320. Its totient is φ = 448731360.

The previous prime is 1052561269. The next prime is 1052561281. The reversal of 1052561272 is 2721652501.

It is a super-2 number, since 2×1052561272² = 2215770462628515968, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38508 + ... + 59899.

It is an arithmetic number, because the mean of its divisors is an integer number (70853760).

Almost surely, 2^1052561272 is an apocalyptic number.

It is an amenable number.

1052561272 is an abundant number, since it is smaller than the sum of its proper divisors (1214759048).

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

1052561272 is a wasteful number, since it uses less digits than its factorization.

1052561272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98611 (or 98607 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1052561272 is about 32443.2007052325. The cubic root of 1052561272 is about 1017.2221198850. Note that the first 3 decimals are identical.

The spelling of 1052561272 in words is "one billion, fifty-two million, five hundred sixty-one thousand, two hundred seventy-two".