118320737 has 2 divisors, whose sum is σ = 118320738. Its totient is φ = 118320736.

The previous prime is 118320677. The next prime is 118320739. The reversal of 118320737 is 737023811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105042001 + 13278736 = 10249^2 + 3644^2 .

It is a cyclic number.

It is not a de Polignac number, because 118320737 - 2²² = 114126433 is a prime.

Together with 118320739, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118320739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59160368 + 59160369.

It is an arithmetic number, because the mean of its divisors is an integer number (59160369).

Almost surely, 2^118320737 is an apocalyptic number.

It is an amenable number.

118320737 is a deficient number, since it is larger than the sum of its proper divisors (1).

118320737 is an equidigital number, since it uses as much as digits as its factorization.

118320737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 118320737 is about 10877.5335899275. The cubic root of 118320737 is about 490.9308101824.

The spelling of 118320737 in words is "one hundred eighteen million, three hundred twenty thousand, seven hundred thirty-seven".