1268474218 has 24 divisors (see below), whose sum is σ = 2104000416. Its totient is φ = 573108360.

The previous prime is 1268474197. The next prime is 1268474237. The reversal of 1268474218 is 8124748621.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24721 + ... + 56107.

It is an arithmetic number, because the mean of its divisors is an integer number (87666684).

Almost surely, 2^1268474218 is an apocalyptic number.

1268474218 is a deficient number, since it is larger than the sum of its proper divisors (835526198).

1268474218 is a wasteful number, since it uses less digits than its factorization.

1268474218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31578 (or 31567 counting only the distinct ones).

The product of its digits is 172032, while the sum is 43.

The square root of 1268474218 is about 35615.6456911847. The cubic root of 1268474218 is about 1082.4982796830.

The spelling of 1268474218 in words is "one billion, two hundred sixty-eight million, four hundred seventy-four thousand, two hundred eighteen".