102399101 has 4 divisors (see below), whose sum is σ = 117027552. Its totient is φ = 87770652.

The previous prime is 102399097. The next prime is 102399103. The reversal of 102399101 is 101993201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102399101 - 2² = 102399097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102399103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7314215 + ... + 7314228.

It is an arithmetic number, because the mean of its divisors is an integer number (29256888).

Almost surely, 2^102399101 is an apocalyptic number.

It is an amenable number.

102399101 is a deficient number, since it is larger than the sum of its proper divisors (14628451).

102399101 is an equidigital number, since it uses as much as digits as its factorization.

102399101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14628450.

The product of its (nonzero) digits is 486, while the sum is 26.

The square root of 102399101 is about 10119.2440923223. The cubic root of 102399101 is about 467.8414689997.

The spelling of 102399101 in words is "one hundred two million, three hundred ninety-nine thousand, one hundred one".