1168971253 has 4 divisors (see below), whose sum is σ = 1183055328. Its totient is φ = 1154887180.

The previous prime is 1168971217. The next prime is 1168971299. The reversal of 1168971253 is 3521798611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1168971253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1168971203) 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 in 3 ways as a sum of consecutive naturals, for example, 7041913 + ... + 7042078.

It is an arithmetic number, because the mean of its divisors is an integer number (295763832).

Almost surely, 2^1168971253 is an apocalyptic number.

It is an amenable number.

1168971253 is a deficient number, since it is larger than the sum of its proper divisors (14084075).

1168971253 is an equidigital number, since it uses as much as digits as its factorization.

1168971253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14084074.

The product of its digits is 90720, while the sum is 43.

The square root of 1168971253 is about 34190.2215991649. The cubic root of 1168971253 is about 1053.4193149271.

The spelling of 1168971253 in words is "one billion, one hundred sixty-eight million, nine hundred seventy-one thousand, two hundred fifty-three".