1253241191 has 2 divisors, whose sum is σ = 1253241192. Its totient is φ = 1253241190.

The previous prime is 1253241179. The next prime is 1253241203. The reversal of 1253241191 is 1911423521.

It is a balanced prime because it is at equal distance from previous prime (1253241179) and next prime (1253241203).

It is a cyclic number.

It is not a de Polignac number, because 1253241191 - 2¹⁰ = 1253240167 is a prime.

It is a super-2 number, since 2×1253241191² = 3141226965638196962, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253241391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626620595 + 626620596.

It is an arithmetic number, because the mean of its divisors is an integer number (626620596).

Almost surely, 2^1253241191 is an apocalyptic number.

1253241191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253241191 is an equidigital number, since it uses as much as digits as its factorization.

1253241191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 1253241191 is about 35401.1467469629. The cubic root of 1253241191 is about 1078.1475993538.

The spelling of 1253241191 in words is "one billion, two hundred fifty-three million, two hundred forty-one thousand, one hundred ninety-one".