999102 has 16 divisors (see below), whose sum is σ = 2152080. Its totient is φ = 307392.

The previous prime is 999101. The next prime is 999133. The reversal of 999102 is 201999.

It is a self number, because there is not a number n which added to its sum of digits gives 999102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6327 + ... + 6482.

It is an arithmetic number, because the mean of its divisors is an integer number (134505).

2⁹⁹⁹¹⁰² is an apocalyptic number.

999102 is an abundant number, since it is smaller than the sum of its proper divisors (1152978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999102 is a wasteful number, since it uses less digits than its factorization.

999102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12827.

The product of its (nonzero) digits is 1458, while the sum is 30.

The square root of 999102 is about 999.5508991542. The cubic root of 999102 is about 99.9700577021.

The spelling of 999102 in words is "nine hundred ninety-nine thousand, one hundred two".