118287469 has 2 divisors, whose sum is σ = 118287470. Its totient is φ = 118287468.

The previous prime is 118287461. The next prime is 118287487. The reversal of 118287469 is 964782811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88454025 + 29833444 = 9405^2 + 5462^2 .

It is an emirp because it is prime and its reverse (964782811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118287469 - 2³ = 118287461 is a prime.

It is a super-2 number, since 2×118287469² = 27983850644851922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118287461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59143734 + 59143735.

It is an arithmetic number, because the mean of its divisors is an integer number (59143735).

Almost surely, 2^118287469 is an apocalyptic number.

It is an amenable number.

118287469 is a deficient number, since it is larger than the sum of its proper divisors (1).

118287469 is an equidigital number, since it uses as much as digits as its factorization.

118287469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 46.

The square root of 118287469 is about 10876.0042754681. The cubic root of 118287469 is about 490.8847945316.

The spelling of 118287469 in words is "one hundred eighteen million, two hundred eighty-seven thousand, four hundred sixty-nine".