1143404 has 12 divisors (see below), whose sum is σ = 2065728. Its totient is φ = 553200.

The previous prime is 1143391. The next prime is 1143407. The reversal of 1143404 is 4043411.

1143404 = T₆₉ + T₇₀ + ... + T₁₉₂.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1143407) 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, 4487 + ... + 4734.

It is an arithmetic number, because the mean of its divisors is an integer number (172144).

2^1143404 is an apocalyptic number.

It is an amenable number.

1143404 is a deficient number, since it is larger than the sum of its proper divisors (922324).

1143404 is a wasteful number, since it uses less digits than its factorization.

1143404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9256 (or 9254 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1143404 is about 1069.3007060692. The cubic root of 1143404 is about 104.5682650347.

Adding to 1143404 its reverse (4043411), we get a palindrome (5186815).

The spelling of 1143404 in words is "one million, one hundred forty-three thousand, four hundred four".