1072566113 has 4 divisors (see below), whose sum is σ = 1076739780. Its totient is φ = 1068392448.

The previous prime is 1072566059. The next prime is 1072566127. The reversal of 1072566113 is 3116652701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3116652701 = 647 ⋅4817083.

It can be written as a sum of positive squares in 2 ways, for example, as 972005329 + 100560784 = 31177^2 + 10028^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072566113 - 2⁶ = 1072566049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1072566113.

It is not an unprimeable number, because it can be changed into a prime (1072565113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086448 + ... + 2086961.

It is an arithmetic number, because the mean of its divisors is an integer number (269184945).

Almost surely, 2^1072566113 is an apocalyptic number.

It is an amenable number.

1072566113 is a deficient number, since it is larger than the sum of its proper divisors (4173667).

1072566113 is an equidigital number, since it uses as much as digits as its factorization.

1072566113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173666.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1072566113 is about 32750.0551602589. The cubic root of 1072566113 is about 1023.6261150416.

The spelling of 1072566113 in words is "one billion, seventy-two million, five hundred sixty-six thousand, one hundred thirteen".