117622459 has 4 divisors (see below), whose sum is σ = 119616120. Its totient is φ = 115628800.

The previous prime is 117622451. The next prime is 117622471. The reversal of 117622459 is 954226711.

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

It is a cyclic number.

It is not a de Polignac number, because 117622459 - 2³ = 117622451 is a prime.

It is a super-2 number, since 2×117622459² = 27670085722413362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117622451) 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, 996742 + ... + 996859.

It is an arithmetic number, because the mean of its divisors is an integer number (29904030).

Almost surely, 2^117622459 is an apocalyptic number.

117622459 is a deficient number, since it is larger than the sum of its proper divisors (1993661).

117622459 is an equidigital number, since it uses as much as digits as its factorization.

117622459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993660.

The product of its digits is 30240, while the sum is 37.

The square root of 117622459 is about 10845.3888358140. The cubic root of 117622459 is about 489.9631500818.

The spelling of 117622459 in words is "one hundred seventeen million, six hundred twenty-two thousand, four hundred fifty-nine".