100102039 has 2 divisors, whose sum is σ = 100102040. Its totient is φ = 100102038.

The previous prime is 100102027. The next prime is 100102061. The reversal of 100102039 is 930201001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100102039 - 2²¹ = 98004887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100102019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50051019 + 50051020.

It is an arithmetic number, because the mean of its divisors is an integer number (50051020).

Almost surely, 2^100102039 is an apocalyptic number.

100102039 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102039 is an equidigital number, since it uses as much as digits as its factorization.

100102039 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 100102039 is about 10005.1006491689. The cubic root of 100102039 is about 464.3167040549.

The spelling of 100102039 in words is "one hundred million, one hundred two thousand, thirty-nine".