1039972601 has 2 divisors, whose sum is σ = 1039972602. Its totient is φ = 1039972600.

The previous prime is 1039972559. The next prime is 1039972613. The reversal of 1039972601 is 1062799301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 839608576 + 200364025 = 28976^2 + 14155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1039972601 - 2⁶ = 1039972537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1039972621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519986300 + 519986301.

It is an arithmetic number, because the mean of its divisors is an integer number (519986301).

Almost surely, 2^1039972601 is an apocalyptic number.

It is an amenable number.

1039972601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039972601 is an equidigital number, since it uses as much as digits as its factorization.

1039972601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 1039972601 is about 32248.6061869347. The cubic root of 1039972601 is about 1013.1505064489.

The spelling of 1039972601 in words is "one billion, thirty-nine million, nine hundred seventy-two thousand, six hundred one".