117910100 has 72 divisors (see below), whose sum is σ = 319021248. Its totient is φ = 36748800.

The previous prime is 117910099. The next prime is 117910139. The reversal of 117910100 is 1019711.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44 + ... + 15356.

Almost surely, 2^117910100 is an apocalyptic number.

117910100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117910100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159510624).

117910100 is an abundant number, since it is smaller than the sum of its proper divisors (201111148).

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

117910100 is a wasteful number, since it uses less digits than its factorization.

117910100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15345 (or 15338 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 20.

The square root of 117910100 is about 10858.6417198469. The cubic root of 117910100 is about 490.3622200244.

Adding to 117910100 its reverse (1019711), we get a palindrome (118929811).

The spelling of 117910100 in words is "one hundred seventeen million, nine hundred ten thousand, one hundred".