118420933 has 4 divisors (see below), whose sum is σ = 118444140. Its totient is φ = 118397728.

The previous prime is 118420903. The next prime is 118420937. The reversal of 118420933 is 339024811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62125924 + 56295009 = 7882^2 + 7503^2 .

It is a cyclic number.

It is not a de Polignac number, because 118420933 - 2¹³ = 118412741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118420895 and 118420904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118420937) 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, 238 + ... + 15391.

It is an arithmetic number, because the mean of its divisors is an integer number (29611035).

Almost surely, 2^118420933 is an apocalyptic number.

It is an amenable number.

118420933 is a deficient number, since it is larger than the sum of its proper divisors (23207).

118420933 is an equidigital number, since it uses as much as digits as its factorization.

118420933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23206.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 118420933 is about 10882.1382549571. The cubic root of 118420933 is about 491.0693472539.

The spelling of 118420933 in words is "one hundred eighteen million, four hundred twenty thousand, nine hundred thirty-three".