102940 has 12 divisors (see below), whose sum is σ = 216216. Its totient is φ = 41168.

The previous prime is 102931. The next prime is 102953. The reversal of 102940 is 49201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2554 + ... + 2593.

It is an arithmetic number, because the mean of its divisors is an integer number (18018).

2¹⁰²⁹⁴⁰ is an apocalyptic number.

102940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102940 is an abundant number, since it is smaller than the sum of its proper divisors (113276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102940 is a wasteful number, since it uses less digits than its factorization.

102940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156 (or 5154 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 102940 is about 320.8426405576. The cubic root of 102940 is about 46.8663776733.

The spelling of 102940 in words is "one hundred two thousand, nine hundred forty".