1001230021039 has 2 divisors, whose sum is σ = 1001230021040. Its totient is φ = 1001230021038.

The previous prime is 1001230021021. The next prime is 1001230021049. The reversal of 1001230021039 is 9301200321001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001230021039 - 2²¹ = 1001227923887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001230021049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500615010519 + 500615010520.

It is an arithmetic number, because the mean of its divisors is an integer number (500615010520).

Almost surely, 2^{1001230021039} is an apocalyptic number.

1001230021039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001230021039 is an equidigital number, since it uses as much as digits as its factorization.

1001230021039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 1001230021039 in words is "one trillion, one billion, two hundred thirty million, twenty-one thousand, thirty-nine".