117240426 has 16 divisors (see below), whose sum is σ = 260534400. Its totient is φ = 39080124.

The previous prime is 117240377. The next prime is 117240433. The reversal of 117240426 is 624042711.

It is a super-2 number, since 2×117240426² = 27490634977322952, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 117240426.

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 in 7 ways as a sum of consecutive naturals, for example, 1085506 + ... + 1085613.

It is an arithmetic number, because the mean of its divisors is an integer number (16283400).

Almost surely, 2^117240426 is an apocalyptic number.

117240426 is an abundant number, since it is smaller than the sum of its proper divisors (143293974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117240426 is a wasteful number, since it uses less digits than its factorization.

117240426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2171130 (or 2171124 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 117240426 is about 10827.7618185847. The cubic root of 117240426 is about 489.4321145594.

The spelling of 117240426 in words is "one hundred seventeen million, two hundred forty thousand, four hundred twenty-six".