118757489 has 2 divisors, whose sum is σ = 118757490. Its totient is φ = 118757488.

The previous prime is 118757473. The next prime is 118757503. The reversal of 118757489 is 984757811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104203264 + 14554225 = 10208^2 + 3815^2 .

It is a cyclic number.

It is not a de Polignac number, because 118757489 - 2⁴ = 118757473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118757449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59378744 + 59378745.

It is an arithmetic number, because the mean of its divisors is an integer number (59378745).

Almost surely, 2^118757489 is an apocalyptic number.

It is an amenable number.

118757489 is a deficient number, since it is larger than the sum of its proper divisors (1).

118757489 is an equidigital number, since it uses as much as digits as its factorization.

118757489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 50.

The square root of 118757489 is about 10897.5909723204. The cubic root of 118757489 is about 491.5341187209.

The spelling of 118757489 in words is "one hundred eighteen million, seven hundred fifty-seven thousand, four hundred eighty-nine".