117397451 has 16 divisors (see below), whose sum is σ = 125229888. Its totient is φ = 109824000.

The previous prime is 117397421. The next prime is 117397457. The reversal of 117397451 is 154793711.

It is a cyclic number.

It is not a de Polignac number, because 117397451 - 2¹⁰ = 117396427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117397457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225071 + ... + 225591.

It is an arithmetic number, because the mean of its divisors is an integer number (7826868).

Almost surely, 2^117397451 is an apocalyptic number.

117397451 is a deficient number, since it is larger than the sum of its proper divisors (7832437).

117397451 is a wasteful number, since it uses less digits than its factorization.

117397451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742.

The product of its digits is 26460, while the sum is 38.

The square root of 117397451 is about 10835.0104291597. The cubic root of 117397451 is about 489.6505227060.

The spelling of 117397451 in words is "one hundred seventeen million, three hundred ninety-seven thousand, four hundred fifty-one".