102040824 has 32 divisors (see below), whose sum is σ = 258336000. Its totient is φ = 33582432.

The previous prime is 102040801. The next prime is 102040843. The reversal of 102040824 is 428040201.

It is a self number, because there is not a number n which added to its sum of digits gives 102040824.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 25014 + ... + 28805.

It is an arithmetic number, because the mean of its divisors is an integer number (8073000).

Almost surely, 2^102040824 is an apocalyptic number.

It is an amenable number.

102040824 is an abundant number, since it is smaller than the sum of its proper divisors (156295176).

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

102040824 is a wasteful number, since it uses less digits than its factorization.

102040824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53907 (or 53903 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 102040824 is about 10101.5258253395. The cubic root of 102040824 is about 467.2951988833.

The spelling of 102040824 in words is "one hundred two million, forty thousand, eight hundred twenty-four".