1143394 has 8 divisors (see below), whose sum is σ = 1960128. Its totient is φ = 490020.

The previous prime is 1143391. The next prime is 1143407. The reversal of 1143394 is 4933411.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1143391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40822 + ... + 40849.

It is an arithmetic number, because the mean of its divisors is an integer number (245016).

2^1143394 is an apocalyptic number.

1143394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1143394 is a deficient number, since it is larger than the sum of its proper divisors (816734).

1143394 is an equidigital number, since it uses as much as digits as its factorization.

1143394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81680.

The product of its digits is 1296, while the sum is 25.

The square root of 1143394 is about 1069.2960301058. The cubic root of 1143394 is about 104.5679601889.

The spelling of 1143394 in words is "one million, one hundred forty-three thousand, three hundred ninety-four".