100556039 has 2 divisors, whose sum is σ = 100556040. Its totient is φ = 100556038.

The previous prime is 100556011. The next prime is 100556051. The reversal of 100556039 is 930655001.

It is a strong prime.

It is an emirp because it is prime and its reverse (930655001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100556039 - 2⁸ = 100555783 is a prime.

It is a super-2 number, since 2×100556039² = 20223033958739042, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100556009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50278019 + 50278020.

It is an arithmetic number, because the mean of its divisors is an integer number (50278020).

Almost surely, 2^100556039 is an apocalyptic number.

100556039 is a deficient number, since it is larger than the sum of its proper divisors (1).

100556039 is an equidigital number, since it uses as much as digits as its factorization.

100556039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 100556039 is about 10027.7634096542. The cubic root of 100556039 is about 465.0175952027.

The spelling of 100556039 in words is "one hundred million, five hundred fifty-six thousand, thirty-nine".