102122802 has 16 divisors (see below), whose sum is σ = 226939680. Its totient is φ = 34040916.

The previous prime is 102122789. The next prime is 102122809. The reversal of 102122802 is 208221201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (102122809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945528 + ... + 945635.

It is an arithmetic number, because the mean of its divisors is an integer number (14183730).

Almost surely, 2^102122802 is an apocalyptic number.

102122802 is an abundant number, since it is smaller than the sum of its proper divisors (124816878).

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

102122802 is a wasteful number, since it uses less digits than its factorization.

102122802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891174 (or 1891168 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 102122802 is about 10105.5827145197. The cubic root of 102122802 is about 467.4203046016.

The spelling of 102122802 in words is "one hundred two million, one hundred twenty-two thousand, eight hundred two".