102775556 has 12 divisors (see below), whose sum is σ = 193692492. Its totient is φ = 47434848.

The previous prime is 102775549. The next prime is 102775567. The reversal of 102775556 is 655577201.

It can be written as a sum of positive squares in 2 ways, for example, as 28987456 + 73788100 = 5384^2 + 8590^2 .

It is a super-2 number, since 2×102775556² = 21125629822218272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 988175 + ... + 988278.

It is an arithmetic number, because the mean of its divisors is an integer number (16141041).

Almost surely, 2^102775556 is an apocalyptic number.

It is an amenable number.

102775556 is a deficient number, since it is larger than the sum of its proper divisors (90916936).

102775556 is a wasteful number, since it uses less digits than its factorization.

102775556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976470 (or 1976468 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 38.

The square root of 102775556 is about 10137.8279724998. The cubic root of 102775556 is about 468.4140842876.

The spelling of 102775556 in words is "one hundred two million, seven hundred seventy-five thousand, five hundred fifty-six".