1042244220253 has 2 divisors, whose sum is σ = 1042244220254. Its totient is φ = 1042244220252.

The previous prime is 1042244220247. The next prime is 1042244220301. The reversal of 1042244220253 is 3520224422401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024787733124 + 17456487129 = 1012318^2 + 132123^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042244220253 - 2²¹ = 1042242123101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042244229253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521122110126 + 521122110127.

It is an arithmetic number, because the mean of its divisors is an integer number (521122110127).

Almost surely, 2^{1042244220253} is an apocalyptic number.

It is an amenable number.

1042244220253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042244220253 is an equidigital number, since it uses as much as digits as its factorization.

1042244220253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 1042244220253 its reverse (3520224422401), we get a palindrome (4562468642654).

The spelling of 1042244220253 in words is "one trillion, forty-two billion, two hundred forty-four million, two hundred twenty thousand, two hundred fifty-three".