118492369 has 2 divisors, whose sum is σ = 118492370. Its totient is φ = 118492368.

The previous prime is 118492313. The next prime is 118492421. The reversal of 118492369 is 963294811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67897600 + 50594769 = 8240^2 + 7113^2 .

It is an emirp because it is prime and its reverse (963294811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118492369 - 2²³ = 110103761 is a prime.

It is a super-2 number, since 2×118492369² = 28080883022464322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118492169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59246184 + 59246185.

It is an arithmetic number, because the mean of its divisors is an integer number (59246185).

Almost surely, 2^118492369 is an apocalyptic number.

It is an amenable number.

118492369 is a deficient number, since it is larger than the sum of its proper divisors (1).

118492369 is an equidigital number, since it uses as much as digits as its factorization.

118492369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 43.

The square root of 118492369 is about 10885.4200194572. The cubic root of 118492369 is about 491.1680712928.

The spelling of 118492369 in words is "one hundred eighteen million, four hundred ninety-two thousand, three hundred sixty-nine".