1199478 has 16 divisors (see below), whose sum is σ = 2741760. Its totient is φ = 342696.

The previous prime is 1199477. The next prime is 1199491. The reversal of 1199478 is 8749911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1199477) 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 7 ways as a sum of consecutive naturals, for example, 14238 + ... + 14321.

It is an arithmetic number, because the mean of its divisors is an integer number (171360).

2^1199478 is an apocalyptic number.

1199478 is an abundant number, since it is smaller than the sum of its proper divisors (1542282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1199478 is a wasteful number, since it uses less digits than its factorization.

1199478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28571.

The product of its digits is 18144, while the sum is 39.

The square root of 1199478 is about 1095.2068297815. The cubic root of 1199478 is about 106.2504461342.

The spelling of 1199478 in words is "one million, one hundred ninety-nine thousand, four hundred seventy-eight".