1039037021 has 16 divisors (see below), whose sum is σ = 1196674560. Its totient is φ = 892223280.

The previous prime is 1039037017. The next prime is 1039037033. The reversal of 1039037021 is 1207309301.

It is not a de Polignac number, because 1039037021 - 2² = 1039037017 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1039037081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65360 + ... + 79686.

It is an arithmetic number, because the mean of its divisors is an integer number (74792160).

Almost surely, 2^1039037021 is an apocalyptic number.

1039037021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1039037021 is a deficient number, since it is larger than the sum of its proper divisors (157637539).

1039037021 is a wasteful number, since it uses less digits than its factorization.

1039037021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14704.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 1039037021 is about 32234.0971798498. The cubic root of 1039037021 is about 1012.8465985264.

The spelling of 1039037021 in words is "one billion, thirty-nine million, thirty-seven thousand, twenty-one".