117601243 has 4 divisors (see below), whose sum is σ = 120469608. Its totient is φ = 114732880.

The previous prime is 117601213. The next prime is 117601249. The reversal of 117601243 is 342106711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342106711 = 3617 ⋅94583.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117601243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117601249) 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, 1434121 + ... + 1434202.

It is an arithmetic number, because the mean of its divisors is an integer number (30117402).

Almost surely, 2^117601243 is an apocalyptic number.

117601243 is a deficient number, since it is larger than the sum of its proper divisors (2868365).

117601243 is an equidigital number, since it uses as much as digits as its factorization.

117601243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868364.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 117601243 is about 10844.4106801615. The cubic root of 117601243 is about 489.9336894857.

Adding to 117601243 its reverse (342106711), we get a palindrome (459707954).

The spelling of 117601243 in words is "one hundred seventeen million, six hundred one thousand, two hundred forty-three".