118402069 has 2 divisors, whose sum is σ = 118402070. Its totient is φ = 118402068.

The previous prime is 118402061. The next prime is 118402079. The reversal of 118402069 is 960204811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99800100 + 18601969 = 9990^2 + 4313^2 .

It is a cyclic number.

It is not a de Polignac number, because 118402069 - 2³ = 118402061 is a prime.

It is a super-2 number, since 2×118402069² = 28038099886961522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 118402069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118402061) 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, 59201034 + 59201035.

It is an arithmetic number, because the mean of its divisors is an integer number (59201035).

Almost surely, 2^118402069 is an apocalyptic number.

It is an amenable number.

118402069 is a deficient number, since it is larger than the sum of its proper divisors (1).

118402069 is an equidigital number, since it uses as much as digits as its factorization.

118402069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 118402069 is about 10881.2714790138. The cubic root of 118402069 is about 491.0432707153.

The spelling of 118402069 in words is "one hundred eighteen million, four hundred two thousand, sixty-nine".