1012301509 has 2 divisors, whose sum is σ = 1012301510. Its totient is φ = 1012301508.

The previous prime is 1012301501. The next prime is 1012301623. The reversal of 1012301509 is 9051032101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 812079009 + 200222500 = 28497^2 + 14150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012301509 - 2³ = 1012301501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1012301509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012301501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506150754 + 506150755.

It is an arithmetic number, because the mean of its divisors is an integer number (506150755).

Almost surely, 2^1012301509 is an apocalyptic number.

It is an amenable number.

1012301509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012301509 is an equidigital number, since it uses as much as digits as its factorization.

1012301509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1012301509 is about 31816.6860153599. The cubic root of 1012301509 is about 1004.0838028518.

The spelling of 1012301509 in words is "one billion, twelve million, three hundred one thousand, five hundred nine".