117054721 has 4 divisors (see below), whose sum is σ = 133776832. Its totient is φ = 100332612.

The previous prime is 117054703. The next prime is 117054727. The reversal of 117054721 is 127450711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117054721 - 2⁵ = 117054689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117054721.

It is not an unprimeable number, because it can be changed into a prime (117054727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8361045 + ... + 8361058.

It is an arithmetic number, because the mean of its divisors is an integer number (33444208).

Almost surely, 2^117054721 is an apocalyptic number.

It is an amenable number.

117054721 is a deficient number, since it is larger than the sum of its proper divisors (16722111).

117054721 is an equidigital number, since it uses as much as digits as its factorization.

117054721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16722110.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 117054721 is about 10819.1830098210. The cubic root of 117054721 is about 489.1735631788.

The spelling of 117054721 in words is "one hundred seventeen million, fifty-four thousand, seven hundred twenty-one".