102341990 has 32 divisors (see below), whose sum is σ = 189540000. Its totient is φ = 39770368.

The previous prime is 102341959. The next prime is 102342001. The reversal of 102341990 is 99143201.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51536 + ... + 53484.

It is an arithmetic number, because the mean of its divisors is an integer number (5923125).

Almost surely, 2^102341990 is an apocalyptic number.

102341990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102341990 is a deficient number, since it is larger than the sum of its proper divisors (87198010).

102341990 is a wasteful number, since it uses less digits than its factorization.

102341990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 102341990 is about 10116.4217982447. The cubic root of 102341990 is about 467.7544764945.

The spelling of 102341990 in words is "one hundred two million, three hundred forty-one thousand, nine hundred ninety".