1194991 has 8 divisors (see below), whose sum is σ = 1391904. Its totient is φ = 1004640.

The previous prime is 1194979. The next prime is 1194997. The reversal of 1194991 is 1994911.

It is a happy number.

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

It is not a de Polignac number, because 1194991 - 2⁵ = 1194959 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1240 + ... + 1981.

It is an arithmetic number, because the mean of its divisors is an integer number (173988).

2^1194991 is an apocalyptic number.

1194991 is a deficient number, since it is larger than the sum of its proper divisors (196913).

1194991 is an equidigital number, since it uses as much as digits as its factorization.

1194991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281.

The product of its digits is 2916, while the sum is 34.

The square root of 1194991 is about 1093.1564389418. The cubic root of 1194991 is about 106.1177935805.

The spelling of 1194991 in words is "one million, one hundred ninety-four thousand, nine hundred ninety-one".