1102856680 has 16 divisors (see below), whose sum is σ = 2481427620. Its totient is φ = 441142656.

The previous prime is 1102856627. The next prime is 1102856753. The reversal of 1102856680 is 866582011.

It can be written as a sum of positive squares in 2 ways, for example, as 1017737604 + 85119076 = 31902^2 + 9226^2 .

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 3 ways as a sum of consecutive naturals, for example, 13785669 + ... + 13785748.

Almost surely, 2^1102856680 is an apocalyptic number.

1102856680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102856680 is an abundant number, since it is smaller than the sum of its proper divisors (1378570940).

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

1102856680 is a wasteful number, since it uses less digits than its factorization.

1102856680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27571428 (or 27571424 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 1102856680 is about 33209.2860507419. The cubic root of 1102856680 is about 1033.1729472429.

The spelling of 1102856680 in words is "one billion, one hundred two million, eight hundred fifty-six thousand, six hundred eighty".