1056127171673 has 4 divisors (see below), whose sum is σ = 1207002481920. Its totient is φ = 905251861428.

The previous prime is 1056127171637. The next prime is 1056127171679. The reversal of 1056127171673 is 3761717216501.

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 not a de Polignac number, because 1056127171673 - 2⁸ = 1056127171417 is a prime.

It is a super-2 number, since 2×1056127171673² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1056127171679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75437655113 + ... + 75437655126.

It is an arithmetic number, because the mean of its divisors is an integer number (301750620480).

Almost surely, 2^{1056127171673} is an apocalyptic number.

It is an amenable number.

1056127171673 is a deficient number, since it is larger than the sum of its proper divisors (150875310247).

1056127171673 is an equidigital number, since it uses as much as digits as its factorization.

1056127171673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150875310246.

The product of its (nonzero) digits is 370440, while the sum is 47.

The spelling of 1056127171673 in words is "one trillion, fifty-six billion, one hundred twenty-seven million, one hundred seventy-one thousand, six hundred seventy-three".