102440684 has 12 divisors (see below), whose sum is σ = 179349408. Its totient is φ = 51198000.

The previous prime is 102440677. The next prime is 102440687. The reversal of 102440684 is 486044201.

It is not an unprimeable number, because it can be changed into a prime (102440687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8909 + ... + 16859.

It is an arithmetic number, because the mean of its divisors is an integer number (14945784).

Almost surely, 2^102440684 is an apocalyptic number.

It is an amenable number.

102440684 is a deficient number, since it is larger than the sum of its proper divisors (76908724).

102440684 is a wasteful number, since it uses less digits than its factorization.

102440684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11176 (or 11174 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 102440684 is about 10121.2985332911. The cubic root of 102440684 is about 467.9047886279.

Adding to 102440684 its reverse (486044201), we get a palindrome (588484885).

The spelling of 102440684 in words is "one hundred two million, four hundred forty thousand, six hundred eighty-four".