117217426 has 8 divisors (see below), whose sum is σ = 176270220. Its totient is φ = 58460688.

The previous prime is 117217423. The next prime is 117217427. The reversal of 117217426 is 624712711.

It can be written as a sum of positive squares in 2 ways, for example, as 114511401 + 2706025 = 10701^2 + 1645^2 .

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

It is not an unprimeable number, because it can be changed into a prime (117217423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73021 + ... + 74608.

Almost surely, 2^117217426 is an apocalyptic number.

117217426 is a deficient number, since it is larger than the sum of its proper divisors (59052794).

117217426 is a wasteful number, since it uses less digits than its factorization.

117217426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148028.

The product of its digits is 4704, while the sum is 31.

The square root of 117217426 is about 10826.6996818052. The cubic root of 117217426 is about 489.4001071844.

The spelling of 117217426 in words is "one hundred seventeen million, two hundred seventeen thousand, four hundred twenty-six".