102130903 has 4 divisors (see below), whose sum is σ = 116721040. Its totient is φ = 87540768.

The previous prime is 102130867. The next prime is 102130927. The reversal of 102130903 is 309031201.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-102130903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102130933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7295058 + ... + 7295071.

It is an arithmetic number, because the mean of its divisors is an integer number (29180260).

Almost surely, 2^102130903 is an apocalyptic number.

102130903 is a deficient number, since it is larger than the sum of its proper divisors (14590137).

102130903 is an equidigital number, since it uses as much as digits as its factorization.

102130903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14590136.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 102130903 is about 10105.9835246254. The cubic root of 102130903 is about 467.4326638125.

The spelling of 102130903 in words is "one hundred two million, one hundred thirty thousand, nine hundred three".