118849641 has 4 divisors (see below), whose sum is σ = 158466192. Its totient is φ = 79233092.

The previous prime is 118849631. The next prime is 118849649. The reversal of 118849641 is 146948811.

It is a happy number.

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 118849641 - 2¹¹ = 118847593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118849593 and 118849602.

It is not an unprimeable number, because it can be changed into a prime (118849649) 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, 19808271 + ... + 19808276.

It is an arithmetic number, because the mean of its divisors is an integer number (39616548).

Almost surely, 2^118849641 is an apocalyptic number.

It is an amenable number.

118849641 is a deficient number, since it is larger than the sum of its proper divisors (39616551).

118849641 is an equidigital number, since it uses as much as digits as its factorization.

118849641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39616550.

The product of its digits is 55296, while the sum is 42.

The square root of 118849641 is about 10901.8182428437. The cubic root of 118849641 is about 491.6612240835.

The spelling of 118849641 in words is "one hundred eighteen million, eight hundred forty-nine thousand, six hundred forty-one".