1012712761 has 2 divisors, whose sum is σ = 1012712762. Its totient is φ = 1012712760.

The previous prime is 1012712677. The next prime is 1012712773. The reversal of 1012712761 is 1672172101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006856361 + 5856400 = 31731^2 + 2420^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012712761 - 2⁷ = 1012712633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012712861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506356380 + 506356381.

It is an arithmetic number, because the mean of its divisors is an integer number (506356381).

Almost surely, 2^1012712761 is an apocalyptic number.

It is an amenable number.

1012712761 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012712761 is an equidigital number, since it uses as much as digits as its factorization.

1012712761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 28.

The square root of 1012712761 is about 31823.1481943569. The cubic root of 1012712761 is about 1004.2197556164.

Adding to 1012712761 its reverse (1672172101), we get a palindrome (2684884862).

The spelling of 1012712761 in words is "one billion, twelve million, seven hundred twelve thousand, seven hundred sixty-one".