1218974675 has 6 divisors (see below), whose sum is σ = 1511528628. Its totient is φ = 975179720.

The previous prime is 1218974671. The next prime is 1218974711. The reversal of 1218974675 is 5764798121.

It is a happy number.

It is not a de Polignac number, because 1218974675 - 2² = 1218974671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1218974671) 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 5 ways as a sum of consecutive naturals, for example, 24379469 + ... + 24379518.

It is an arithmetic number, because the mean of its divisors is an integer number (251921438).

Almost surely, 2^1218974675 is an apocalyptic number.

1218974675 is a deficient number, since it is larger than the sum of its proper divisors (292553953).

1218974675 is an equidigital number, since it uses as much as digits as its factorization.

1218974675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48758997 (or 48758992 counting only the distinct ones).

The product of its digits is 846720, while the sum is 50.

The square root of 1218974675 is about 34913.8178233203. The cubic root of 1218974675 is about 1068.2303046540.

The spelling of 1218974675 in words is "one billion, two hundred eighteen million, nine hundred seventy-four thousand, six hundred seventy-five".