1252127673133 has 4 divisors (see below), whose sum is σ = 1253490163360. Its totient is φ = 1250765182908.

The previous prime is 1252127673103. The next prime is 1252127673211. The reversal of 1252127673133 is 3313767212521.

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-1252127673133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1252127673133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252127673103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681243735 + ... + 681245572.

It is an arithmetic number, because the mean of its divisors is an integer number (313372540840).

Almost surely, 2^{1252127673133} is an apocalyptic number.

It is an amenable number.

1252127673133 is a deficient number, since it is larger than the sum of its proper divisors (1362490227).

1252127673133 is an equidigital number, since it uses as much as digits as its factorization.

1252127673133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362490226.

The product of its digits is 317520, while the sum is 43.

The spelling of 1252127673133 in words is "one trillion, two hundred fifty-two billion, one hundred twenty-seven million, six hundred seventy-three thousand, one hundred thirty-three".