117030090 has 64 divisors (see below), whose sum is σ = 289339776. Its totient is φ = 30277632.

The previous prime is 117030071. The next prime is 117030097. The reversal of 117030090 is 90030711.

It is not an unprimeable number, because it can be changed into a prime (117030097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331354 + ... + 331706.

It is an arithmetic number, because the mean of its divisors is an integer number (4520934).

Almost surely, 2^117030090 is an apocalyptic number.

117030090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117030090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144669888).

117030090 is an abundant number, since it is smaller than the sum of its proper divisors (172309686).

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

117030090 is a wasteful number, since it uses less digits than its factorization.

117030090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 117030090 is about 10818.0446477171. The cubic root of 117030090 is about 489.1392496567.

The spelling of 117030090 in words is "one hundred seventeen million, thirty thousand, ninety".