102428788 has 24 divisors (see below), whose sum is σ = 223481664. Its totient is φ = 39907200.

The previous prime is 102428773. The next prime is 102428801. The reversal of 102428788 is 887824201.

It is a super-2 number, since 2×102428788² = 20983313222297888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102428788.

It is a congruent number.

It is an unprimeable number.

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, 165973 + ... + 166588.

It is an arithmetic number, because the mean of its divisors is an integer number (9311736).

Almost surely, 2^102428788 is an apocalyptic number.

It is an amenable number.

102428788 is an abundant number, since it is smaller than the sum of its proper divisors (121052876).

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

102428788 is a wasteful number, since it uses less digits than its factorization.

102428788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332583 (or 332581 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 102428788 is about 10120.7108445998. The cubic root of 102428788 is about 467.8866759972.

The spelling of 102428788 in words is "one hundred two million, four hundred twenty-eight thousand, seven hundred eighty-eight".