117206242 has 8 divisors (see below), whose sum is σ = 175873500. Its totient is φ = 58581744.

The previous prime is 117206233. The next prime is 117206251. The reversal of 117206242 is 242602711.

It is an interprime number because it is at equal distance from previous prime (117206233) and next prime (117206251).

It can be written as a sum of positive squares in 2 ways, for example, as 111957561 + 5248681 = 10581^2 + 2291^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2617 + ... + 15532.

Almost surely, 2^117206242 is an apocalyptic number.

117206242 is a deficient number, since it is larger than the sum of its proper divisors (58667258).

117206242 is a wasteful number, since it uses less digits than its factorization.

117206242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21380.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 117206242 is about 10826.1831685964. The cubic root of 117206242 is about 489.3845417375.

Adding to 117206242 its reverse (242602711), we get a palindrome (359808953).

The spelling of 117206242 in words is "one hundred seventeen million, two hundred six thousand, two hundred forty-two".