102049860 has 48 divisors (see below), whose sum is σ = 311717952. Its totient is φ = 24739200.

The previous prime is 102049841. The next prime is 102049901. The reversal of 102049860 is 68940201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76651 + ... + 77970.

It is an arithmetic number, because the mean of its divisors is an integer number (6494124).

Almost surely, 2^102049860 is an apocalyptic number.

102049860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102049860 is an abundant number, since it is smaller than the sum of its proper divisors (209668092).

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

102049860 is a wasteful number, since it uses less digits than its factorization.

102049860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154644 (or 154642 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 102049860 is about 10101.9730746028. The cubic root of 102049860 is about 467.3089919079.

The spelling of 102049860 in words is "one hundred two million, forty-nine thousand, eight hundred sixty".