1143201 has 8 divisors (see below), whose sum is σ = 1549504. Its totient is φ = 749520.

The previous prime is 1143193. The next prime is 1143217. The reversal of 1143201 is 1023411.

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 1143201 - 2³ = 1143193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143281) 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, 2941 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (193688).

2^1143201 is an apocalyptic number.

It is an amenable number.

1143201 is a deficient number, since it is larger than the sum of its proper divisors (406303).

1143201 is an equidigital number, since it uses as much as digits as its factorization.

1143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1143201 is about 1069.2057800068. The cubic root of 1143201 is about 104.5620763169.

Adding to 1143201 its reverse (1023411), we get a palindrome (2166612).

The spelling of 1143201 in words is "one million, one hundred forty-three thousand, two hundred one".