117052451 has 4 divisors (see below), whose sum is σ = 122141712. Its totient is φ = 111963192.

The previous prime is 117052447. The next prime is 117052459. The reversal of 117052451 is 154250711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117052451 - 2² = 117052447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117052451.

It is not an unprimeable number, because it can be changed into a prime (117052459) 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, 2544596 + ... + 2544641.

It is an arithmetic number, because the mean of its divisors is an integer number (30535428).

Almost surely, 2^117052451 is an apocalyptic number.

117052451 is a deficient number, since it is larger than the sum of its proper divisors (5089261).

117052451 is an equidigital number, since it uses as much as digits as its factorization.

117052451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5089260.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 117052451 is about 10819.0781030548. The cubic root of 117052451 is about 489.1704010361.

The spelling of 117052451 in words is "one hundred seventeen million, fifty-two thousand, four hundred fifty-one".