1268198 has 8 divisors (see below), whose sum is σ = 1914192. Its totient is φ = 630136.

The previous prime is 1268177. The next prime is 1268207. The reversal of 1268198 is 8918621.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565 + ... + 2232.

It is an arithmetic number, because the mean of its divisors is an integer number (239274).

2^1268198 is an apocalyptic number.

1268198 is a deficient number, since it is larger than the sum of its proper divisors (645994).

1268198 is a wasteful number, since it uses less digits than its factorization.

1268198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966.

The product of its digits is 6912, while the sum is 35.

The square root of 1268198 is about 1126.1429749370. The cubic root of 1268198 is about 108.2419700444.

The spelling of 1268198 in words is "one million, two hundred sixty-eight thousand, one hundred ninety-eight".