118120997 has 4 divisors (see below), whose sum is σ = 119022816. Its totient is φ = 117219180.

The previous prime is 118120993. The next prime is 118121033. The reversal of 118120997 is 799021811.

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 118120997 - 2² = 118120993 is a prime.

It is a super-3 number, since 3×118120997³ (a number of 25 digits) contains 333 as substring.

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 118120997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118120993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450713 + ... + 450974.

It is an arithmetic number, because the mean of its divisors is an integer number (29755704).

Almost surely, 2^118120997 is an apocalyptic number.

It is an amenable number.

118120997 is a deficient number, since it is larger than the sum of its proper divisors (901819).

118120997 is an equidigital number, since it uses as much as digits as its factorization.

118120997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901818.

The product of its (nonzero) digits is 9072, while the sum is 38.

The square root of 118120997 is about 10868.3484025863. The cubic root of 118120997 is about 490.6544039986.

The spelling of 118120997 in words is "one hundred eighteen million, one hundred twenty thousand, nine hundred ninety-seven".