1241145253 has 2 divisors, whose sum is σ = 1241145254. Its totient is φ = 1241145252.

The previous prime is 1241145203. The next prime is 1241145271. The reversal of 1241145253 is 3525411421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1165403044 + 75742209 = 34138^2 + 8703^2 .

It is a cyclic number.

It is not a de Polignac number, because 1241145253 - 2¹³ = 1241137061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1241145203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620572626 + 620572627.

It is an arithmetic number, because the mean of its divisors is an integer number (620572627).

Almost surely, 2^1241145253 is an apocalyptic number.

It is an amenable number.

1241145253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1241145253 is an equidigital number, since it uses as much as digits as its factorization.

1241145253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 1241145253 is about 35229.8914701706. The cubic root of 1241145253 is about 1074.6677186116.

Adding to 1241145253 its reverse (3525411421), we get a palindrome (4766556674).

The spelling of 1241145253 in words is "one billion, two hundred forty-one million, one hundred forty-five thousand, two hundred fifty-three".