102708040 has 16 divisors (see below), whose sum is σ = 231093180. Its totient is φ = 41083200.

The previous prime is 102708017. The next prime is 102708043. The reversal of 102708040 is 40807201.

It can be written as a sum of positive squares in 2 ways, for example, as 98763844 + 3944196 = 9938^2 + 1986^2 .

It is not an unprimeable number, because it can be changed into a prime (102708043) by changing a digit.

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, 1283811 + ... + 1283890.

Almost surely, 2^102708040 is an apocalyptic number.

102708040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102708040 is an abundant number, since it is smaller than the sum of its proper divisors (128385140).

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

102708040 is a wasteful number, since it uses less digits than its factorization.

102708040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2567712 (or 2567708 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 102708040 is about 10134.4975208443. The cubic root of 102708040 is about 468.3114905897.

The spelling of 102708040 in words is "one hundred two million, seven hundred eight thousand, forty".