1144122461 has 2 divisors, whose sum is σ = 1144122462. Its totient is φ = 1144122460.

The previous prime is 1144122443. The next prime is 1144122467. The reversal of 1144122461 is 1642214411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1142034436 + 2088025 = 33794^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144122461 - 2¹⁴ = 1144106077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144122461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144122467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572061230 + 572061231.

It is an arithmetic number, because the mean of its divisors is an integer number (572061231).

Almost surely, 2^1144122461 is an apocalyptic number.

It is an amenable number.

1144122461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144122461 is an equidigital number, since it uses as much as digits as its factorization.

1144122461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 26.

The square root of 1144122461 is about 33824.8793198143. The cubic root of 1144122461 is about 1045.9016236644.

Adding to 1144122461 its reverse (1642214411), we get a palindrome (2786336872).

The spelling of 1144122461 in words is "one billion, one hundred forty-four million, one hundred twenty-two thousand, four hundred sixty-one".