102775288 has 32 divisors (see below), whose sum is σ = 240255360. Its totient is φ = 40042080.

The previous prime is 102775279. The next prime is 102775297. The reversal of 102775288 is 882577201.

It is an interprime number because it is at equal distance from previous prime (102775279) and next prime (102775297).

It is a self number, because there is not a number n which added to its sum of digits gives 102775288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82806 + ... + 84037.

It is an arithmetic number, because the mean of its divisors is an integer number (7507980).

Almost surely, 2^102775288 is an apocalyptic number.

It is an amenable number.

102775288 is an abundant number, since it is smaller than the sum of its proper divisors (137480072).

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

102775288 is a wasteful number, since it uses less digits than its factorization.

102775288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166867 (or 166863 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 40.

The square root of 102775288 is about 10137.8147546698. The cubic root of 102775288 is about 468.4136771380.

The spelling of 102775288 in words is "one hundred two million, seven hundred seventy-five thousand, two hundred eighty-eight".