102699 has 6 divisors (see below), whose sum is σ = 148356. Its totient is φ = 68460.

The previous prime is 102679. The next prime is 102701. The reversal of 102699 is 996201.

It is a happy number.

It is not a de Polignac number, because 102699 - 2⁵ = 102667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5697 + ... + 5714.

It is an arithmetic number, because the mean of its divisors is an integer number (24726).

2¹⁰²⁶⁹⁹ is an apocalyptic number.

102699 is a deficient number, since it is larger than the sum of its proper divisors (45657).

102699 is a wasteful number, since it uses less digits than its factorization.

102699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11417 (or 11414 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 102699 is about 320.4668469592. The cubic root of 102699 is about 46.8297750477.

The spelling of 102699 in words is "one hundred two thousand, six hundred ninety-nine".