102770660 has 12 divisors (see below), whose sum is σ = 215818428. Its totient is φ = 41108256.

The previous prime is 102770659. The next prime is 102770711. The reversal of 102770660 is 66077201.

It can be written as a sum of positive squares in 2 ways, for example, as 11682724 + 91087936 = 3418^2 + 9544^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2569247 + ... + 2569286.

It is an arithmetic number, because the mean of its divisors is an integer number (17984869).

Almost surely, 2^102770660 is an apocalyptic number.

102770660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102770660 is an abundant number, since it is smaller than the sum of its proper divisors (113047768).

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

102770660 is a wasteful number, since it uses less digits than its factorization.

102770660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138542 (or 5138540 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 102770660 is about 10137.5864977814. The cubic root of 102770660 is about 468.4066460994.

The spelling of 102770660 in words is "one hundred two million, seven hundred seventy thousand, six hundred sixty".