102390934 has 8 divisors (see below), whose sum is σ = 153757728. Its totient is φ = 51138360.

The previous prime is 102390931. The next prime is 102391007. The reversal of 102390934 is 439093201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102390896 and 102390905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102390931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26277 + ... + 29920.

It is an arithmetic number, because the mean of its divisors is an integer number (19219716).

Almost surely, 2^102390934 is an apocalyptic number.

102390934 is a deficient number, since it is larger than the sum of its proper divisors (51366794).

102390934 is an equidigital number, since it uses as much as digits as its factorization.

102390934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57110.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 102390934 is about 10118.8405462286. The cubic root of 102390934 is about 467.8290308603.

The spelling of 102390934 in words is "one hundred two million, three hundred ninety thousand, nine hundred thirty-four".