117123542 has 4 divisors (see below), whose sum is σ = 175685316. Its totient is φ = 58561770.

The previous prime is 117123509. The next prime is 117123553. The reversal of 117123542 is 245321711.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 29280884 + ... + 29280887.

It is an arithmetic number, because the mean of its divisors is an integer number (43921329).

Almost surely, 2^117123542 is an apocalyptic number.

117123542 is a deficient number, since it is larger than the sum of its proper divisors (58561774).

117123542 is an equidigital number, since it uses as much as digits as its factorization.

117123542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58561773.

The product of its digits is 1680, while the sum is 26.

The square root of 117123542 is about 10822.3630506466. The cubic root of 117123542 is about 489.2694124190.

The spelling of 117123542 in words is "one hundred seventeen million, one hundred twenty-three thousand, five hundred forty-two".