102002999 has 8 divisors (see below), whose sum is σ = 121643520. Its totient is φ = 83629656.

The previous prime is 102002987. The next prime is 102003037. The reversal of 102002999 is 999200201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-102002999 is a prime.

It is a super-2 number, since 2×102002999² = 20809223609988002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316619 + ... + 316940.

It is an arithmetic number, because the mean of its divisors is an integer number (15205440).

Almost surely, 2^102002999 is an apocalyptic number.

102002999 is a deficient number, since it is larger than the sum of its proper divisors (19640521).

102002999 is an equidigital number, since it uses as much as digits as its factorization.

102002999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633589.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 102002999 is about 10099.6534098948. The cubic root of 102002999 is about 467.2374519782.

The spelling of 102002999 in words is "one hundred two million, two thousand, nine hundred ninety-nine".