1072516057 has 4 divisors (see below), whose sum is σ = 1073494836. Its totient is φ = 1071537280.

The previous prime is 1072516037. The next prime is 1072516061. The reversal of 1072516057 is 7506152701.

It is a happy number.

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 258212761 + 814303296 = 16069^2 + 28536^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072516057 - 2²⁷ = 938298329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072516037) 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, 487744 + ... + 489937.

It is an arithmetic number, because the mean of its divisors is an integer number (268373709).

Almost surely, 2^1072516057 is an apocalyptic number.

It is an amenable number.

1072516057 is a deficient number, since it is larger than the sum of its proper divisors (978779).

1072516057 is an equidigital number, since it uses as much as digits as its factorization.

1072516057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978778.

The product of its (nonzero) digits is 14700, while the sum is 34.

The square root of 1072516057 is about 32749.2909388890. The cubic root of 1072516057 is about 1023.6101907937.

Adding to 1072516057 its reverse (7506152701), we get a palindrome (8578668758).

The spelling of 1072516057 in words is "one billion, seventy-two million, five hundred sixteen thousand, fifty-seven".