118504997 has 12 divisors (see below), whose sum is σ = 129662820. Its totient is φ = 108246528.

The previous prime is 118504973. The next prime is 118504999. The reversal of 118504997 is 799405811.

It is a Cunningham number, because it is equal to 10886²+1.

It can be written as a sum of positive squares in 6 ways, for example, as 261121 + 118243876 = 511^2 + 10874^2 .

It is not a de Polignac number, because 118504997 - 2²⁰ = 117456421 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118504999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12779 + ... + 20007.

It is an arithmetic number, because the mean of its divisors is an integer number (10805235).

Almost surely, 2^118504997 is an apocalyptic number.

It is an amenable number.

118504997 is a deficient number, since it is larger than the sum of its proper divisors (11157823).

118504997 is an equidigital number, since it uses as much as digits as its factorization.

118504997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352 (or 7339 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 118504997 is about 10886.0000459306. Note that the first 4 decimals coincide. The cubic root of 118504997 is about 491.1855189707.

The spelling of 118504997 in words is "one hundred eighteen million, five hundred four thousand, nine hundred ninety-seven".