102039 has 16 divisors (see below), whose sum is σ = 160512. Its totient is φ = 56448.

The previous prime is 102031. The next prime is 102043. The reversal of 102039 is 930201.

It is not a de Polignac number, because 102039 - 2³ = 102031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102031) 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, 847 + ... + 959.

It is an arithmetic number, because the mean of its divisors is an integer number (10032).

2¹⁰²⁰³⁹ is an apocalyptic number.

102039 is a deficient number, since it is larger than the sum of its proper divisors (58473).

102039 is a wasteful number, since it uses less digits than its factorization.

102039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 102039 is about 319.4354394866. The cubic root of 102039 is about 46.7292414535.

The spelling of 102039 in words is "one hundred two thousand, thirty-nine".