118132997 has 4 divisors (see below), whose sum is σ = 120880320. Its totient is φ = 115385676.

The previous prime is 118132969. The next prime is 118133003. The reversal of 118132997 is 799231811.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 118132997 - 2⁸ = 118132741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118132297) 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, 1373597 + ... + 1373682.

It is an arithmetic number, because the mean of its divisors is an integer number (30220080).

Almost surely, 2^118132997 is an apocalyptic number.

It is an amenable number.

118132997 is a deficient number, since it is larger than the sum of its proper divisors (2747323).

118132997 is an equidigital number, since it uses as much as digits as its factorization.

118132997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747322.

The product of its digits is 27216, while the sum is 41.

The square root of 118132997 is about 10868.9004503676. The cubic root of 118132997 is about 490.6710187514.

The spelling of 118132997 in words is "one hundred eighteen million, one hundred thirty-two thousand, nine hundred ninety-seven".