117542999 has 8 divisors (see below), whose sum is σ = 134718240. Its totient is φ = 100463616.

The previous prime is 117542993. The next prime is 117543001. The reversal of 117542999 is 999245711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117542999 - 2¹² = 117538903 is a prime.

It is a super-2 number, since 2×117542999² = 27632713227828002, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117542993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21314 + ... + 26255.

It is an arithmetic number, because the mean of its divisors is an integer number (16839780).

Almost surely, 2^117542999 is an apocalyptic number.

117542999 is a deficient number, since it is larger than the sum of its proper divisors (17175241).

117542999 is an equidigital number, since it uses as much as digits as its factorization.

117542999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47929.

The product of its digits is 204120, while the sum is 47.

The square root of 117542999 is about 10841.7249088879. The cubic root of 117542999 is about 489.8527934869.

The spelling of 117542999 in words is "one hundred seventeen million, five hundred forty-two thousand, nine hundred ninety-nine".