118289429 has 2 divisors, whose sum is σ = 118289430. Its totient is φ = 118289428.

The previous prime is 118289411. The next prime is 118289441. The reversal of 118289429 is 924982811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99540529 + 18748900 = 9977^2 + 4330^2 .

It is a cyclic number.

It is not a de Polignac number, because 118289429 - 2¹² = 118285333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118289429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118289449) 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, 59144714 + 59144715.

It is an arithmetic number, because the mean of its divisors is an integer number (59144715).

Almost surely, 2^118289429 is an apocalyptic number.

It is an amenable number.

118289429 is a deficient number, since it is larger than the sum of its proper divisors (1).

118289429 is an equidigital number, since it uses as much as digits as its factorization.

118289429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 44.

The square root of 118289429 is about 10876.0943817163. The cubic root of 118289429 is about 490.8875058047.

The spelling of 118289429 in words is "one hundred eighteen million, two hundred eighty-nine thousand, four hundred twenty-nine".