117897254 has 4 divisors (see below), whose sum is σ = 176845884. Its totient is φ = 58948626.

The previous prime is 117897253. The next prime is 117897319. The reversal of 117897254 is 452798711.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117897253) 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 as a sum of consecutive naturals, namely, 29474312 + ... + 29474315.

It is an arithmetic number, because the mean of its divisors is an integer number (44211471).

Almost surely, 2^117897254 is an apocalyptic number.

117897254 is a deficient number, since it is larger than the sum of its proper divisors (58948630).

117897254 is an equidigital number, since it uses as much as digits as its factorization.

117897254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58948629.

The product of its digits is 141120, while the sum is 44.

The square root of 117897254 is about 10858.0501932898. The cubic root of 117897254 is about 490.3444114797.

The spelling of 117897254 in words is "one hundred seventeen million, eight hundred ninety-seven thousand, two hundred fifty-four".