1273198 has 8 divisors (see below), whose sum is σ = 2022192. Its totient is φ = 599136.

The previous prime is 1273159. The next prime is 1273199. The reversal of 1273198 is 8913721.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1273199) 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 3 ways as a sum of consecutive naturals, for example, 18690 + ... + 18757.

It is an arithmetic number, because the mean of its divisors is an integer number (252774).

2^1273198 is an apocalyptic number.

1273198 is a deficient number, since it is larger than the sum of its proper divisors (748994).

1273198 is a wasteful number, since it uses less digits than its factorization.

1273198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37466.

The product of its digits is 3024, while the sum is 31.

The square root of 1273198 is about 1128.3607579139. The cubic root of 1273198 is about 108.3840351756.

The spelling of 1273198 in words is "one million, two hundred seventy-three thousand, one hundred ninety-eight".