1253201133 has 16 divisors (see below), whose sum is σ = 1731580416. Its totient is φ = 805355520.

The previous prime is 1253201129. The next prime is 1253201177. The reversal of 1253201133 is 3311023521.

It is not a de Polignac number, because 1253201133 - 2² = 1253201129 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253201533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2316 + ... + 50117.

It is an arithmetic number, because the mean of its divisors is an integer number (108223776).

Almost surely, 2^1253201133 is an apocalyptic number.

It is an amenable number.

1253201133 is a deficient number, since it is larger than the sum of its proper divisors (478379283).

1253201133 is a wasteful number, since it uses less digits than its factorization.

1253201133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52724.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1253201133 is about 35400.5809698090. The cubic root of 1253201133 is about 1078.1361121005.

Adding to 1253201133 its reverse (3311023521), we get a palindrome (4564224654).

The spelling of 1253201133 in words is "one billion, two hundred fifty-three million, two hundred one thousand, one hundred thirty-three".