1012999937 has 2 divisors, whose sum is σ = 1012999938. Its totient is φ = 1012999936.

The previous prime is 1012999921. The next prime is 1012999951. The reversal of 1012999937 is 7399992101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 874325761 + 138674176 = 29569^2 + 11776^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012999937 - 2⁴ = 1012999921 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012999907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506499968 + 506499969.

It is an arithmetic number, because the mean of its divisors is an integer number (506499969).

Almost surely, 2^1012999937 is an apocalyptic number.

It is an amenable number.

1012999937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012999937 is an equidigital number, since it uses as much as digits as its factorization.

1012999937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 275562, while the sum is 50.

The square root of 1012999937 is about 31827.6599359739. The cubic root of 1012999937 is about 1004.3146691886.

The spelling of 1012999937 in words is "one billion, twelve million, nine hundred ninety-nine thousand, nine hundred thirty-seven".