117287922 has 32 divisors (see below), whose sum is σ = 239904000. Its totient is φ = 38217168.

The previous prime is 117287909. The next prime is 117287923. The reversal of 117287922 is 229782711.

It is not an unprimeable number, because it can be changed into a prime (117287923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54829 + ... + 56927.

It is an arithmetic number, because the mean of its divisors is an integer number (7497000).

Almost surely, 2^117287922 is an apocalyptic number.

117287922 is an abundant number, since it is smaller than the sum of its proper divisors (122616078).

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

117287922 is a wasteful number, since it uses less digits than its factorization.

117287922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310.

The product of its digits is 28224, while the sum is 39.

The square root of 117287922 is about 10829.9548475513. The cubic root of 117287922 is about 489.4981979350.

The spelling of 117287922 in words is "one hundred seventeen million, two hundred eighty-seven thousand, nine hundred twenty-two".