1199867 has 4 divisors (see below), whose sum is σ = 1222560. Its totient is φ = 1177176.

The previous prime is 1199857. The next prime is 1199879. The reversal of 1199867 is 7689911.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1199867 - 2⁴ = 1199851 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1199857) 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, 11267 + ... + 11372.

It is an arithmetic number, because the mean of its divisors is an integer number (305640).

2^1199867 is an apocalyptic number.

1199867 is a deficient number, since it is larger than the sum of its proper divisors (22693).

1199867 is an equidigital number, since it uses as much as digits as its factorization.

1199867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22692.

The product of its digits is 27216, while the sum is 41.

The square root of 1199867 is about 1095.3844074114. The cubic root of 1199867 is about 106.2619308402.

The spelling of 1199867 in words is "one million, one hundred ninety-nine thousand, eight hundred sixty-seven".