1012580717 has 4 divisors (see below), whose sum is σ = 1012839936. Its totient is φ = 1012321500.

The previous prime is 1012580713. The next prime is 1012580729. The reversal of 1012580717 is 7170852101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7170852101 = 7 ⋅1024407443.

It is a cyclic number.

It is not a de Polignac number, because 1012580717 - 2² = 1012580713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012580711) 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, 123659 + ... + 131592.

It is an arithmetic number, because the mean of its divisors is an integer number (253209984).

Almost surely, 2^1012580717 is an apocalyptic number.

It is an amenable number.

1012580717 is a deficient number, since it is larger than the sum of its proper divisors (259219).

1012580717 is an equidigital number, since it uses as much as digits as its factorization.

1012580717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259218.

The product of its (nonzero) digits is 3920, while the sum is 32.

The square root of 1012580717 is about 31821.0734734075. The cubic root of 1012580717 is about 1004.1761081769.

The spelling of 1012580717 in words is "one billion, twelve million, five hundred eighty thousand, seven hundred seventeen".