118402429 has 2 divisors, whose sum is σ = 118402430. Its totient is φ = 118402428.

The previous prime is 118402397. The next prime is 118402451. The reversal of 118402429 is 924204811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113103225 + 5299204 = 10635^2 + 2302^2 .

It is an emirp because it is prime and its reverse (924204811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118402429 - 2⁵ = 118402397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118402429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118402469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59201214 + 59201215.

It is an arithmetic number, because the mean of its divisors is an integer number (59201215).

Almost surely, 2^118402429 is an apocalyptic number.

It is an amenable number.

118402429 is a deficient number, since it is larger than the sum of its proper divisors (1).

118402429 is an equidigital number, since it uses as much as digits as its factorization.

118402429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 118402429 is about 10881.2880211857. The cubic root of 118402429 is about 491.0437683851.

The spelling of 118402429 in words is "one hundred eighteen million, four hundred two thousand, four hundred twenty-nine".