102080940 has 48 divisors (see below), whose sum is σ = 307815648. Its totient is φ = 25127424.

The previous prime is 102080917. The next prime is 102080941. The reversal of 102080940 is 49080201.

It is a super-2 number, since 2×102080940² = 20841036622567200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102080940.

It is not an unprimeable number, because it can be changed into a prime (102080941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64657 + ... + 66216.

It is an arithmetic number, because the mean of its divisors is an integer number (6412826).

Almost surely, 2^102080940 is an apocalyptic number.

102080940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102080940 is an abundant number, since it is smaller than the sum of its proper divisors (205734708).

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

102080940 is a wasteful number, since it uses less digits than its factorization.

102080940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130898 (or 130896 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 102080940 is about 10103.5112708404. The cubic root of 102080940 is about 467.3564278354.

The spelling of 102080940 in words is "one hundred two million, eighty thousand, nine hundred forty".