1118459938 has 8 divisors (see below), whose sum is σ = 1685641680. Its totient is φ = 556579380.

The previous prime is 1118459933. The next prime is 1118459957. The reversal of 1118459938 is 8399548111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1118459891 and 1118459900.

It is not an unprimeable number, because it can be changed into a prime (1118459933) 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, 1324768 + ... + 1325611.

It is an arithmetic number, because the mean of its divisors is an integer number (210705210).

Almost surely, 2^1118459938 is an apocalyptic number.

1118459938 is a deficient number, since it is larger than the sum of its proper divisors (567181742).

1118459938 is a wasteful number, since it uses less digits than its factorization.

1118459938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650592.

The product of its digits is 311040, while the sum is 49.

The square root of 1118459938 is about 33443.3840691997. The cubic root of 1118459938 is about 1038.0226042402.

The spelling of 1118459938 in words is "one billion, one hundred eighteen million, four hundred fifty-nine thousand, nine hundred thirty-eight".