117273321 has 36 divisors (see below), whose sum is σ = 188039124. Its totient is φ = 70371840.

The previous prime is 117273283. The next prime is 117273337. The reversal of 117273321 is 123372711.

It can be written as a sum of positive squares in 2 ways, for example, as 19263321 + 98010000 = 4389^2 + 9900^2 .

It is not a de Polignac number, because 117273321 - 2⁷ = 117273193 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (117273371) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 122581 + ... + 123533.

It is an arithmetic number, because the mean of its divisors is an integer number (5223309).

Almost surely, 2^117273321 is an apocalyptic number.

117273321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117273321 is a deficient number, since it is larger than the sum of its proper divisors (70765803).

117273321 is a wasteful number, since it uses less digits than its factorization.

117273321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1080 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 117273321 is about 10829.2807240370. The cubic root of 117273321 is about 489.4778847897.

The spelling of 117273321 in words is "one hundred seventeen million, two hundred seventy-three thousand, three hundred twenty-one".