102108699 has 96 divisors (see below), whose sum is σ = 195686400. Its totient is φ = 50803200.

The previous prime is 102108689. The next prime is 102108731. The reversal of 102108699 is 996801201.

It is not a de Polignac number, because 102108699 - 2¹⁷ = 101977627 is a prime.

It is a super-2 number, since 2×102108699² = 20852372822945202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102108649) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1052619 + ... + 1052715.

It is an arithmetic number, because the mean of its divisors is an integer number (2038400).

Almost surely, 2^102108699 is an apocalyptic number.

102108699 is a deficient number, since it is larger than the sum of its proper divisors (93577701).

102108699 is a wasteful number, since it uses less digits than its factorization.

102108699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 102108699 is about 10104.8849078057. The cubic root of 102108699 is about 467.3987869388.

It can be divided in two parts, 102 and 108699, that added together give a palindrome (108801).

The spelling of 102108699 in words is "one hundred two million, one hundred eight thousand, six hundred ninety-nine".