118512449 has 4 divisors (see below), whose sum is σ = 129286320. Its totient is φ = 107738580.

The previous prime is 118512437. The next prime is 118512467. The reversal of 118512449 is 944215811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118512449 - 2¹² = 118508353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118512409) 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 in 3 ways as a sum of consecutive naturals, for example, 5386919 + ... + 5386940.

It is an arithmetic number, because the mean of its divisors is an integer number (32321580).

Almost surely, 2^118512449 is an apocalyptic number.

It is an amenable number.

118512449 is a deficient number, since it is larger than the sum of its proper divisors (10773871).

118512449 is a wasteful number, since it uses less digits than its factorization.

118512449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10773870.

The product of its digits is 11520, while the sum is 35.

The square root of 118512449 is about 10886.3423150294. The cubic root of 118512449 is about 491.1958145640.

The spelling of 118512449 in words is "one hundred eighteen million, five hundred twelve thousand, four hundred forty-nine".