102619930 has 64 divisors (see below), whose sum is σ = 218769408. Its totient is φ = 33929280.

The previous prime is 102619919. The next prime is 102619943. The reversal of 102619930 is 39916201.

It is a junction number, because it is equal to n+sod(n) for n = 102619892 and 102619901.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309865 + ... + 310195.

It is an arithmetic number, because the mean of its divisors is an integer number (3418272).

Almost surely, 2^102619930 is an apocalyptic number.

102619930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102619930 is an abundant number, since it is smaller than the sum of its proper divisors (116149478).

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

102619930 is a wasteful number, since it uses less digits than its factorization.

102619930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 102619930 is about 10130.1495546709. The cubic root of 102619930 is about 468.1775357066.

The spelling of 102619930 in words is "one hundred two million, six hundred nineteen thousand, nine hundred thirty".