102605930 has 32 divisors (see below), whose sum is σ = 211438080. Its totient is φ = 35118720.

The previous prime is 102605927. The next prime is 102605983. The reversal of 102605930 is 39506201.

It is a self number, because there is not a number n which added to its sum of digits gives 102605930.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 62966 + ... + 64574.

It is an arithmetic number, because the mean of its divisors is an integer number (6607440).

Almost surely, 2^102605930 is an apocalyptic number.

102605930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102605930 is an abundant number, since it is smaller than the sum of its proper divisors (108832150).

102605930 is a wasteful number, since it uses less digits than its factorization.

102605930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 102605930 is about 10129.4585245214. The cubic root of 102605930 is about 468.1562442493.

The spelling of 102605930 in words is "one hundred two million, six hundred five thousand, nine hundred thirty".