1002102099 has 4 divisors (see below), whose sum is σ = 1336136136. Its totient is φ = 668068064.

The previous prime is 1002102097. The next prime is 1002102109. The reversal of 1002102099 is 9902012001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1002102099 - 2¹ = 1002102097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002102091) 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, 167017014 + ... + 167017019.

It is an arithmetic number, because the mean of its divisors is an integer number (334034034).

Almost surely, 2^1002102099 is an apocalyptic number.

1002102099 is a deficient number, since it is larger than the sum of its proper divisors (334034037).

1002102099 is an equidigital number, since it uses as much as digits as its factorization.

1002102099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334034036.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1002102099 is about 31655.9962566336. The cubic root of 1002102099 is about 1000.7002092592.

The spelling of 1002102099 in words is "one billion, two million, one hundred two thousand, ninety-nine".