1143302001 has 4 divisors (see below), whose sum is σ = 1524402672. Its totient is φ = 762201332.

The previous prime is 1143301993. The next prime is 1143302011. The reversal of 1143302001 is 1002033411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1002033411 = 3 ⋅334011137.

It is a cyclic number.

It is not a de Polignac number, because 1143302001 - 2³ = 1143301993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1143302011) 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, 190550331 + ... + 190550336.

It is an arithmetic number, because the mean of its divisors is an integer number (381100668).

Almost surely, 2^1143302001 is an apocalyptic number.

It is an amenable number.

1143302001 is a deficient number, since it is larger than the sum of its proper divisors (381100671).

1143302001 is an equidigital number, since it uses as much as digits as its factorization.

1143302001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381100670.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1143302001 is about 33812.7490896555. The cubic root of 1143302001 is about 1045.6515555470.

Adding to 1143302001 its reverse (1002033411), we get a palindrome (2145335412).

The spelling of 1143302001 in words is "one billion, one hundred forty-three million, three hundred two thousand, one".