117801270 has 64 divisors (see below), whose sum is σ = 320855040. Its totient is φ = 30741984.

The previous prime is 117801269. The next prime is 117801289. The reversal of 117801270 is 72108711.

It is a super-2 number, since 2×117801270² = 27754278427225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8049 + ... + 17331.

It is an arithmetic number, because the mean of its divisors is an integer number (5013360).

Almost surely, 2^117801270 is an apocalyptic number.

117801270 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 117801270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160427520).

117801270 is an abundant number, since it is smaller than the sum of its proper divisors (203053770).

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

117801270 is a wasteful number, since it uses less digits than its factorization.

117801270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9346 (or 9340 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 117801270 is about 10853.6293469051. The cubic root of 117801270 is about 490.2113068918.

Adding to 117801270 its reverse (72108711), we get a palindrome (189909981).

The spelling of 117801270 in words is "one hundred seventeen million, eight hundred one thousand, two hundred seventy".