1220144041 has 2 divisors, whose sum is σ = 1220144042. Its totient is φ = 1220144040.

The previous prime is 1220144039. The next prime is 1220144059. The reversal of 1220144041 is 1404410221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199167641 + 20976400 = 34629^2 + 4580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220144041 - 2¹ = 1220144039 is a prime.

Together with 1220144039, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1220144441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610072020 + 610072021.

It is an arithmetic number, because the mean of its divisors is an integer number (610072021).

Almost surely, 2^1220144041 is an apocalyptic number.

It is an amenable number.

1220144041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220144041 is an equidigital number, since it uses as much as digits as its factorization.

1220144041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1220144041 is about 34930.5602732049. The cubic root of 1220144041 is about 1068.5717809778.

Adding to 1220144041 its reverse (1404410221), we get a palindrome (2624554262).

The spelling of 1220144041 in words is "one billion, two hundred twenty million, one hundred forty-four thousand, forty-one".