1143122401 has 2 divisors, whose sum is σ = 1143122402. Its totient is φ = 1143122400.

The previous prime is 1143122389. The next prime is 1143122413. The reversal of 1143122401 is 1042213411.

It is a balanced prime because it is at equal distance from previous prime (1143122389) and next prime (1143122413).

It can be written as a sum of positive squares in only one way, i.e., 841058001 + 302064400 = 29001^2 + 17380^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143122401 - 2⁷ = 1143122273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1143122801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571561200 + 571561201.

It is an arithmetic number, because the mean of its divisors is an integer number (571561201).

Almost surely, 2^1143122401 is an apocalyptic number.

It is an amenable number.

1143122401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143122401 is an equidigital number, since it uses as much as digits as its factorization.

1143122401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1143122401 is about 33810.0931823620. The cubic root of 1143122401 is about 1045.5967992785.

Adding to 1143122401 its reverse (1042213411), we get a palindrome (2185335812).

The spelling of 1143122401 in words is "one billion, one hundred forty-three million, one hundred twenty-two thousand, four hundred one".