1101244253 has 2 divisors, whose sum is σ = 1101244254. Its totient is φ = 1101244252.

The previous prime is 1101244213. The next prime is 1101244267. The reversal of 1101244253 is 3524421011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1012639684 + 88604569 = 31822^2 + 9413^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101244253 - 2¹² = 1101240157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101244213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550622126 + 550622127.

It is an arithmetic number, because the mean of its divisors is an integer number (550622127).

Almost surely, 2^1101244253 is an apocalyptic number.

It is an amenable number.

1101244253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101244253 is an equidigital number, since it uses as much as digits as its factorization.

1101244253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1101244253 is about 33185.0004218774. Note that the first 3 decimals coincide. The cubic root of 1101244253 is about 1032.6691862593.

Adding to 1101244253 its reverse (3524421011), we get a palindrome (4625665264).

The spelling of 1101244253 in words is "one billion, one hundred one million, two hundred forty-four thousand, two hundred fifty-three".