1072265077 has 4 divisors (see below), whose sum is σ = 1154747020. Its totient is φ = 989783136.

The previous prime is 1072265039. The next prime is 1072265081. The reversal of 1072265077 is 7705622701.

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 709210161 + 363054916 = 26631^2 + 19054^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072265077 - 2²⁷ = 938047349 is a prime.

It is a super-2 number, since 2×1072265077² = 2299504790707631858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072265017) 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, 41240952 + ... + 41240977.

It is an arithmetic number, because the mean of its divisors is an integer number (288686755).

Almost surely, 2^1072265077 is an apocalyptic number.

It is an amenable number.

1072265077 is a deficient number, since it is larger than the sum of its proper divisors (82481943).

1072265077 is an equidigital number, since it uses as much as digits as its factorization.

1072265077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82481942.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 1072265077 is about 32745.4588760029. The cubic root of 1072265077 is about 1023.5303393931.

Adding to 1072265077 its reverse (7705622701), we get a palindrome (8777887778).

The spelling of 1072265077 in words is "one billion, seventy-two million, two hundred sixty-five thousand, seventy-seven".