1100020039 has 2 divisors, whose sum is σ = 1100020040. Its totient is φ = 1100020038.

The previous prime is 1100020021. The next prime is 1100020063. The reversal of 1100020039 is 9300200011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100020039 - 2⁷ = 1100019911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100020099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550010019 + 550010020.

It is an arithmetic number, because the mean of its divisors is an integer number (550010020).

Almost surely, 2^1100020039 is an apocalyptic number.

1100020039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100020039 is an equidigital number, since it uses as much as digits as its factorization.

1100020039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1100020039 is about 33166.5500014699. The cubic root of 1100020039 is about 1032.2863838611.

The spelling of 1100020039 in words is "one billion, one hundred million, twenty thousand, thirty-nine".