118433961 has 8 divisors (see below), whose sum is σ = 175457760. Its totient is φ = 78955956.

The previous prime is 118433947. The next prime is 118433963. The reversal of 118433961 is 169334811.

It is not a de Polignac number, because 118433961 - 2⁹ = 118433449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118433963) 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 in 7 ways as a sum of consecutive naturals, for example, 2193195 + ... + 2193248.

It is an arithmetic number, because the mean of its divisors is an integer number (21932220).

Almost surely, 2^118433961 is an apocalyptic number.

It is an amenable number.

118433961 is a deficient number, since it is larger than the sum of its proper divisors (57023799).

118433961 is an equidigital number, since it uses as much as digits as its factorization.

118433961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4386452 (or 4386446 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 118433961 is about 10882.7368340873. The cubic root of 118433961 is about 491.0873548158.

The spelling of 118433961 in words is "one hundred eighteen million, four hundred thirty-three thousand, nine hundred sixty-one".