117999120100 has 27 divisors (see below), whose sum is σ = 256065545001. Its totient is φ = 47198274000.

The previous prime is 117999120097. The next prime is 117999120101. The reversal of 117999120100 is 1021999711.

The square root of 117999120100 is 343510.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 42479683236 + 75519436864 = 206106^2 + 274808^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117999120101) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3417925 + ... + 3452275.

Almost surely, 2^117999120100 is an apocalyptic number.

117999120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117999120100 is the 343510-th square number.

It is an amenable number.

117999120100 is an abundant number, since it is smaller than the sum of its proper divisors (138066424901).

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

117999120100 is an frugal number, since it uses more digits than its factorization.

117999120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68716 (or 34358 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 40.

The spelling of 117999120100 in words is "one hundred seventeen billion, nine hundred ninety-nine million, one hundred twenty thousand, one hundred".