118130449 has 4 divisors (see below), whose sum is σ = 120132720. Its totient is φ = 116128180.

The previous prime is 118130443. The next prime is 118130473. The reversal of 118130449 is 944031811.

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 118130449 - 2⁷ = 118130321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118130449.

It is not an unprimeable number, because it can be changed into a prime (118130443) 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, 1001047 + ... + 1001164.

It is an arithmetic number, because the mean of its divisors is an integer number (30033180).

Almost surely, 2^118130449 is an apocalyptic number.

It is an amenable number.

118130449 is a deficient number, since it is larger than the sum of its proper divisors (2002271).

118130449 is an equidigital number, since it uses as much as digits as its factorization.

118130449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002270.

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

The square root of 118130449 is about 10868.7832345668. The cubic root of 118130449 is about 490.6674909796.

The spelling of 118130449 in words is "one hundred eighteen million, one hundred thirty thousand, four hundred forty-nine".