102090237 has 16 divisors (see below), whose sum is σ = 143208000. Its totient is φ = 64596224.

The previous prime is 102090229. The next prime is 102090239. The reversal of 102090237 is 732090201.

It is not a de Polignac number, because 102090237 - 2³ = 102090229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102090239) 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, 4812 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (8950500).

Almost surely, 2^102090237 is an apocalyptic number.

It is an amenable number.

102090237 is a deficient number, since it is larger than the sum of its proper divisors (41117763).

102090237 is a wasteful number, since it uses less digits than its factorization.

102090237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19980.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 102090237 is about 10103.9713479404. The cubic root of 102090237 is about 467.3706155339.

The spelling of 102090237 in words is "one hundred two million, ninety thousand, two hundred thirty-seven".