1245113353 has 6 divisors (see below), whose sum is σ = 1368595802. Its totient is φ = 1131921120.

The previous prime is 1245113341. The next prime is 1245113407. The reversal of 1245113353 is 3533115421.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 655206409 + 589906944 = 25597^2 + 24288^2 .

It is not a de Polignac number, because 1245113353 - 2¹⁷ = 1244982281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245113323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5144976 + ... + 5145217.

Almost surely, 2^1245113353 is an apocalyptic number.

It is an amenable number.

1245113353 is a deficient number, since it is larger than the sum of its proper divisors (123482449).

1245113353 is a wasteful number, since it uses less digits than its factorization.

1245113353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10290215 (or 10290204 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 1245113353 is about 35286.1637614519. The cubic root of 1245113353 is about 1075.8117835843.

Adding to 1245113353 its reverse (3533115421), we get a palindrome (4778228774).

The spelling of 1245113353 in words is "one billion, two hundred forty-five million, one hundred thirteen thousand, three hundred fifty-three".