118319297 has 2 divisors, whose sum is σ = 118319298. Its totient is φ = 118319296.

The previous prime is 118319287. The next prime is 118319309. The reversal of 118319297 is 792913811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92756161 + 25563136 = 9631^2 + 5056^2 .

It is a cyclic number.

It is not a de Polignac number, because 118319297 - 2⁶ = 118319233 is a prime.

It is not a weakly prime, because it can be changed into another prime (118319287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59159648 + 59159649.

It is an arithmetic number, because the mean of its divisors is an integer number (59159649).

Almost surely, 2^118319297 is an apocalyptic number.

It is an amenable number.

118319297 is a deficient number, since it is larger than the sum of its proper divisors (1).

118319297 is an equidigital number, since it uses as much as digits as its factorization.

118319297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 41.

The square root of 118319297 is about 10877.4673982504. The cubic root of 118319297 is about 490.9288185810.

The spelling of 118319297 in words is "one hundred eighteen million, three hundred nineteen thousand, two hundred ninety-seven".