117254557 has 4 divisors (see below), whose sum is σ = 134005216. Its totient is φ = 100503900.

The previous prime is 117254551. The next prime is 117254561. The reversal of 117254557 is 755452711.

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 not a de Polignac number, because 117254557 - 2³ = 117254549 is a prime.

It is a super-2 number, since 2×117254557² = 27497262274532498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117254551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8375319 + ... + 8375332.

It is an arithmetic number, because the mean of its divisors is an integer number (33501304).

Almost surely, 2^117254557 is an apocalyptic number.

It is an amenable number.

117254557 is a deficient number, since it is larger than the sum of its proper divisors (16750659).

117254557 is an equidigital number, since it uses as much as digits as its factorization.

117254557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16750658.

The product of its digits is 49000, while the sum is 37.

The square root of 117254557 is about 10828.4143345182. The cubic root of 117254557 is about 489.4517775363.

The spelling of 117254557 in words is "one hundred seventeen million, two hundred fifty-four thousand, five hundred fifty-seven".