102617930 has 8 divisors (see below), whose sum is σ = 184712292. Its totient is φ = 41047168.

The previous prime is 102617929. The next prime is 102617981. The reversal of 102617930 is 39716201.

It can be written as a sum of positive squares in 2 ways, for example, as 85914361 + 16703569 = 9269^2 + 4087^2 .

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 = 102617893 and 102617902.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5130887 + ... + 5130906.

Almost surely, 2^102617930 is an apocalyptic number.

102617930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102617930 is a deficient number, since it is larger than the sum of its proper divisors (82094362).

102617930 is a wasteful number, since it uses less digits than its factorization.

102617930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10261800.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 102617930 is about 10130.0508389642. The cubic root of 102617930 is about 468.1744941884.

The spelling of 102617930 in words is "one hundred two million, six hundred seventeen thousand, nine hundred thirty".