102678190 has 8 divisors (see below), whose sum is σ = 184820760. Its totient is φ = 41071272.

The previous prime is 102678179. The next prime is 102678203. The reversal of 102678190 is 91876201.

It is a happy number.

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

It is a super-2 number, since 2×102678190² = 21085621403352200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5133900 + ... + 5133919.

It is an arithmetic number, because the mean of its divisors is an integer number (23102595).

Almost surely, 2^102678190 is an apocalyptic number.

102678190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102678190 is a deficient number, since it is larger than the sum of its proper divisors (82142570).

102678190 is a wasteful number, since it uses less digits than its factorization.

102678190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10267826.

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 102678190 is about 10133.0247211778. The cubic root of 102678190 is about 468.2661177949.

The spelling of 102678190 in words is "one hundred two million, six hundred seventy-eight thousand, one hundred ninety".