118284451 has 2 divisors, whose sum is σ = 118284452. Its totient is φ = 118284450.

The previous prime is 118284403. The next prime is 118284473. The reversal of 118284451 is 154482811.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118284451 - 2²³ = 109895843 is a prime.

It is a super-2 number, since 2×118284451² = 27982422696742802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (118284401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59142225 + 59142226.

It is an arithmetic number, because the mean of its divisors is an integer number (59142226).

Almost surely, 2^118284451 is an apocalyptic number.

118284451 is a deficient number, since it is larger than the sum of its proper divisors (1).

118284451 is an equidigital number, since it uses as much as digits as its factorization.

118284451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10240, while the sum is 34.

The square root of 118284451 is about 10875.8655287752. The cubic root of 118284451 is about 490.8806196659.

The spelling of 118284451 in words is "one hundred eighteen million, two hundred eighty-four thousand, four hundred fifty-one".