1244134141 has 2 divisors, whose sum is σ = 1244134142. Its totient is φ = 1244134140.

The previous prime is 1244134123. The next prime is 1244134153. The reversal of 1244134141 is 1414314421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1217312100 + 26822041 = 34890^2 + 5179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1244134141 - 2²¹ = 1242036989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1244134741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622067070 + 622067071.

It is an arithmetic number, because the mean of its divisors is an integer number (622067071).

It is a self-describing number.

Almost surely, 2^1244134141 is an apocalyptic number.

It is an amenable number.

1244134141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1244134141 is an equidigital number, since it uses as much as digits as its factorization.

1244134141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 25.

The square root of 1244134141 is about 35272.2857354042. The cubic root of 1244134141 is about 1075.5296876917.

Adding to 1244134141 its reverse (1414314421), we get a palindrome (2658448562).

The spelling of 1244134141 in words is "one billion, two hundred forty-four million, one hundred thirty-four thousand, one hundred forty-one".