117204500 has 48 divisors (see below), whose sum is σ = 292551168. Its totient is φ = 40183200.

The previous prime is 117204491. The next prime is 117204509. The reversal of 117204500 is 5402711.

It is an interprime number because it is at equal distance from previous prime (117204491) and next prime (117204509).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117204509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13244 + ... + 20243.

It is an arithmetic number, because the mean of its divisors is an integer number (6094816).

Almost surely, 2^117204500 is an apocalyptic number.

117204500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117204500 is an abundant number, since it is smaller than the sum of its proper divisors (175346668).

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

117204500 is a wasteful number, since it uses less digits than its factorization.

117204500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33513 (or 33501 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 117204500 is about 10826.1027151972. The cubic root of 117204500 is about 489.3821172019.

The spelling of 117204500 in words is "one hundred seventeen million, two hundred four thousand, five hundred".