118397743 has 8 divisors (see below), whose sum is σ = 121758080. Its totient is φ = 115045920.

The previous prime is 118397737. The next prime is 118397753. The reversal of 118397743 is 347793811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118397743 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118397743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118397753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35053 + ... + 38281.

It is an arithmetic number, because the mean of its divisors is an integer number (15219760).

Almost surely, 2^118397743 is an apocalyptic number.

118397743 is a deficient number, since it is larger than the sum of its proper divisors (3360337).

118397743 is an equidigital number, since it uses as much as digits as its factorization.

118397743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257.

The product of its digits is 127008, while the sum is 43.

The square root of 118397743 is about 10881.0726952815. The cubic root of 118397743 is about 491.0372903044.

The spelling of 118397743 in words is "one hundred eighteen million, three hundred ninety-seven thousand, seven hundred forty-three".