1143001201 has 4 divisors (see below), whose sum is σ = 1150672500. Its totient is φ = 1135329904.

The previous prime is 1143001163. The next prime is 1143001219. The reversal of 1143001201 is 1021003411.

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

It can be written as a sum of positive squares in 2 ways, for example, as 471932176 + 671069025 = 21724^2 + 25905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143001201 - 2¹³ = 1142993009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143001241) 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, 3835426 + ... + 3835723.

It is an arithmetic number, because the mean of its divisors is an integer number (287668125).

Almost surely, 2^1143001201 is an apocalyptic number.

It is an amenable number.

1143001201 is a deficient number, since it is larger than the sum of its proper divisors (7671299).

1143001201 is an equidigital number, since it uses as much as digits as its factorization.

1143001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7671298.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1143001201 is about 33808.3007706687. The cubic root of 1143001201 is about 1045.5598447025.

Adding to 1143001201 its reverse (1021003411), we get a palindrome (2164004612).

The spelling of 1143001201 in words is "one billion, one hundred forty-three million, one thousand, two hundred one".