1072242065 has 4 divisors (see below), whose sum is σ = 1286690484. Its totient is φ = 857793648.

The previous prime is 1072242053. The next prime is 1072242097. The reversal of 1072242065 is 5602422701.

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 451435009 + 620807056 = 21247^2 + 24916^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072242065 - 2⁸ = 1072241809 is a prime.

It is a super-2 number, since 2×1072242065² = 2299406091910928450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107224202 + ... + 107224211.

It is an arithmetic number, because the mean of its divisors is an integer number (321672621).

Almost surely, 2^1072242065 is an apocalyptic number.

It is an amenable number.

1072242065 is a deficient number, since it is larger than the sum of its proper divisors (214448419).

1072242065 is an equidigital number, since it uses as much as digits as its factorization.

1072242065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214448418.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 1072242065 is about 32745.1074971514. The cubic root of 1072242065 is about 1023.5230173080.

Adding to 1072242065 its reverse (5602422701), we get a palindrome (6674664766).

The spelling of 1072242065 in words is "one billion, seventy-two million, two hundred forty-two thousand, sixty-five".