118289449 has 2 divisors, whose sum is σ = 118289450. Its totient is φ = 118289448.

The previous prime is 118289441. The next prime is 118289467. The reversal of 118289449 is 944982811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69889600 + 48399849 = 8360^2 + 6957^2 .

It is a cyclic number.

It is not a de Polignac number, because 118289449 - 2³ = 118289441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118289399 and 118289408.

It is not a weakly prime, because it can be changed into another prime (118289441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59144724 + 59144725.

It is an arithmetic number, because the mean of its divisors is an integer number (59144725).

Almost surely, 2^118289449 is an apocalyptic number.

It is an amenable number.

118289449 is a deficient number, since it is larger than the sum of its proper divisors (1).

118289449 is an equidigital number, since it uses as much as digits as its factorization.

118289449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 165888, while the sum is 46.

The square root of 118289449 is about 10876.0953011639. The cubic root of 118289449 is about 490.8875334706.

The spelling of 118289449 in words is "one hundred eighteen million, two hundred eighty-nine thousand, four hundred forty-nine".