117401555 has 8 divisors (see below), whose sum is σ = 144689712. Its totient is φ = 91382688.

The previous prime is 117401533. The next prime is 117401561. The reversal of 117401555 is 555104711.

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

It is a cyclic number.

It is not a de Polignac number, because 117401555 - 2⁸ = 117401299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317117 + ... + 317486.

It is an arithmetic number, because the mean of its divisors is an integer number (18086214).

Almost surely, 2^117401555 is an apocalyptic number.

117401555 is a deficient number, since it is larger than the sum of its proper divisors (27288157).

117401555 is an equidigital number, since it uses as much as digits as its factorization.

117401555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634645.

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 117401555 is about 10835.1998135706. The cubic root of 117401555 is about 489.6562284015.

The spelling of 117401555 in words is "one hundred seventeen million, four hundred one thousand, five hundred fifty-five".