102276980 has 24 divisors (see below), whose sum is σ = 231303912. Its totient is φ = 37763712.

The previous prime is 102276961. The next prime is 102277003. The reversal of 102276980 is 89672201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11874916 + 90402064 = 3446^2 + 9508^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102276980.

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, 196427 + ... + 196946.

It is an arithmetic number, because the mean of its divisors is an integer number (9637663).

Almost surely, 2^102276980 is an apocalyptic number.

102276980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102276980 is an abundant number, since it is smaller than the sum of its proper divisors (129026932).

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

102276980 is a wasteful number, since it uses less digits than its factorization.

102276980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393395 (or 393393 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 102276980 is about 10113.2081952267. The cubic root of 102276980 is about 467.6554126936.

The spelling of 102276980 in words is "one hundred two million, two hundred seventy-six thousand, nine hundred eighty".