117278341 has 4 divisors (see below), whose sum is σ = 119028832. Its totient is φ = 115527852.

The previous prime is 117278339. The next prime is 117278353. The reversal of 117278341 is 143872711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143872711 = 43 ⋅3345877.

It is a cyclic number.

It is not a de Polignac number, because 117278341 - 2¹ = 117278339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117278297 and 117278306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117278041) 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, 875145 + ... + 875278.

It is an arithmetic number, because the mean of its divisors is an integer number (29757208).

Almost surely, 2^117278341 is an apocalyptic number.

It is an amenable number.

117278341 is a deficient number, since it is larger than the sum of its proper divisors (1750491).

117278341 is an equidigital number, since it uses as much as digits as its factorization.

117278341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750490.

The product of its digits is 9408, while the sum is 34.

The square root of 117278341 is about 10829.5125005699. The cubic root of 117278341 is about 489.4848688844.

The spelling of 117278341 in words is "one hundred seventeen million, two hundred seventy-eight thousand, three hundred forty-one".