102604199 has 4 divisors (see below), whose sum is σ = 108004440. Its totient is φ = 97203960.

The previous prime is 102604193. The next prime is 102604213. The reversal of 102604199 is 991406201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991406201 = 2339 ⋅423859.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102604199 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 (102604193) 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, 2700092 + ... + 2700129.

It is an arithmetic number, because the mean of its divisors is an integer number (27001110).

Almost surely, 2^102604199 is an apocalyptic number.

102604199 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

102604199 is a deficient number, since it is larger than the sum of its proper divisors (5400241).

102604199 is an equidigital number, since it uses as much as digits as its factorization.

102604199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5400240.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 102604199 is about 10129.3730803046. The cubic root of 102604199 is about 468.1536115781.

The spelling of 102604199 in words is "one hundred two million, six hundred four thousand, one hundred ninety-nine".