1012170069 has 6 divisors (see below), whose sum is σ = 1462023446. Its totient is φ = 674780040.

The previous prime is 1012170053. The next prime is 1012170083. The reversal of 1012170069 is 9600712101.

It can be written as a sum of positive squares in only one way, i.e., 922640625 + 89529444 = 30375^2 + 9462^2 .

It is not a de Polignac number, because 1012170069 - 2⁴ = 1012170053 is a prime.

It is a super-2 number, since 2×1012170069² = 2048976497158929522, 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 (1012130069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56231662 + ... + 56231679.

Almost surely, 2^1012170069 is an apocalyptic number.

It is an amenable number.

1012170069 is a deficient number, since it is larger than the sum of its proper divisors (449853377).

1012170069 is a wasteful number, since it uses less digits than its factorization.

1012170069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112463347 (or 112463344 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 1012170069 is about 31814.6203654861. The cubic root of 1012170069 is about 1004.0403433073.

The spelling of 1012170069 in words is "one billion, twelve million, one hundred seventy thousand, sixty-nine".