1143052401 has 4 divisors (see below), whose sum is σ = 1524069872. Its totient is φ = 762034932.

The previous prime is 1143052399. The next prime is 1143052403. The reversal of 1143052401 is 1042503411.

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.

It is an interprime number because it is at equal distance from previous prime (1143052399) and next prime (1143052403).

It is not a de Polignac number, because 1143052401 - 2¹ = 1143052399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1143052403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190508731 + ... + 190508736.

It is an arithmetic number, because the mean of its divisors is an integer number (381017468).

Almost surely, 2^1143052401 is an apocalyptic number.

It is an amenable number.

1143052401 is a deficient number, since it is larger than the sum of its proper divisors (381017471).

1143052401 is an equidigital number, since it uses as much as digits as its factorization.

1143052401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381017470.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1143052401 is about 33809.0579726795. The cubic root of 1143052401 is about 1045.5754561952.

Adding to 1143052401 its reverse (1042503411), we get a palindrome (2185555812).

The spelling of 1143052401 in words is "one billion, one hundred forty-three million, fifty-two thousand, four hundred one".