102261587228 has 48 divisors (see below), whose sum is σ = 191915184384. Its totient is φ = 47506732800.

The previous prime is 102261587179. The next prime is 102261587237. The reversal of 102261587228 is 822785162201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8183201 + ... + 8195687.

It is an arithmetic number, because the mean of its divisors is an integer number (3998233008).

Almost surely, 2^102261587228 is an apocalyptic number.

It is an amenable number.

102261587228 is a deficient number, since it is larger than the sum of its proper divisors (89653597156).

102261587228 is a wasteful number, since it uses less digits than its factorization.

102261587228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14042 (or 14040 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The spelling of 102261587228 in words is "one hundred two billion, two hundred sixty-one million, five hundred eighty-seven thousand, two hundred twenty-eight".