118921337 has 4 divisors (see below), whose sum is σ = 118954896. Its totient is φ = 118887780.

The previous prime is 118921333. The next prime is 118921393. The reversal of 118921337 is 733129811.

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 118921337 - 2² = 118921333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118921297 and 118921306.

It is not an unprimeable number, because it can be changed into a prime (118921331) 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, 10739 + ... + 18792.

It is an arithmetic number, because the mean of its divisors is an integer number (29738724).

Almost surely, 2^118921337 is an apocalyptic number.

It is an amenable number.

118921337 is a deficient number, since it is larger than the sum of its proper divisors (33559).

118921337 is an equidigital number, since it uses as much as digits as its factorization.

118921337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33558.

The product of its digits is 9072, while the sum is 35.

The square root of 118921337 is about 10905.1060059038. The cubic root of 118921337 is about 491.7600690246.

The spelling of 118921337 in words is "one hundred eighteen million, nine hundred twenty-one thousand, three hundred thirty-seven".