102499480 has 32 divisors (see below), whose sum is σ = 235535040. Its totient is φ = 40126720.

The previous prime is 102499417. The next prime is 102499489. The reversal of 102499480 is 84994201.

It is a happy number.

It is a super-2 number, since 2×102499480² = 21012286800540800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102499489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25381 + ... + 29140.

It is an arithmetic number, because the mean of its divisors is an integer number (7360470).

Almost surely, 2^102499480 is an apocalyptic number.

102499480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102499480 is an abundant number, since it is smaller than the sum of its proper divisors (133035560).

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

102499480 is a wasteful number, since it uses less digits than its factorization.

102499480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54579 (or 54575 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 102499480 is about 10124.2026846562. The cubic root of 102499480 is about 467.9942897494.

The spelling of 102499480 in words is "one hundred two million, four hundred ninety-nine thousand, four hundred eighty".