117321256 has 16 divisors (see below), whose sum is σ = 236898900. Its totient is φ = 54148224.

The previous prime is 117321251. The next prime is 117321263. The reversal of 117321256 is 652123711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 115218756 + 2102500 = 10734^2 + 1450^2 .

It is not an unprimeable number, because it can be changed into a prime (117321251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 563941 + ... + 564148.

Almost surely, 2^117321256 is an apocalyptic number.

It is an amenable number.

117321256 is an abundant number, since it is smaller than the sum of its proper divisors (119577644).

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

117321256 is a wasteful number, since it uses less digits than its factorization.

117321256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128108 (or 1128104 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 117321256 is about 10831.4937104723. The cubic root of 117321256 is about 489.5445664132.

Adding to 117321256 its reverse (652123711), we get a palindrome (769444967).

The spelling of 117321256 in words is "one hundred seventeen million, three hundred twenty-one thousand, two hundred fifty-six".