117012280 has 64 divisors (see below), whose sum is σ = 328250880. Its totient is φ = 36470400.

The previous prime is 117012271. The next prime is 117012283. The reversal of 117012280 is 82210711.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117012283) 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 15 ways as a sum of consecutive naturals, for example, 15916 + ... + 22075.

It is an arithmetic number, because the mean of its divisors is an integer number (5128920).

Almost surely, 2^117012280 is an apocalyptic number.

117012280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117012280 is an abundant number, since it is smaller than the sum of its proper divisors (211238600).

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

117012280 is a wasteful number, since it uses less digits than its factorization.

117012280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38020 (or 38016 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 117012280 is about 10817.2214546990. The cubic root of 117012280 is about 489.1144354914.

Adding to 117012280 its reverse (82210711), we get a palindrome (199222991).

The spelling of 117012280 in words is "one hundred seventeen million, twelve thousand, two hundred eighty".