122743171 has 6 divisors (see below), whose sum is σ = 126151620. Its totient is φ = 119424456.

The previous prime is 122743147. The next prime is 122743189. The reversal of 122743171 is 171347221.

It is not a de Polignac number, because 122743171 - 2¹¹ = 122741123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122743141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43461 + ... + 46198.

It is an arithmetic number, because the mean of its divisors is an integer number (21025270).

Almost surely, 2^122743171 is an apocalyptic number.

122743171 is a deficient number, since it is larger than the sum of its proper divisors (3408449).

122743171 is an frugal number, since it uses more digits than its factorization.

122743171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89733 (or 89696 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 122743171 is about 11078.9517103379. The cubic root of 122743171 is about 496.9726013772.

The spelling of 122743171 in words is "one hundred twenty-two million, seven hundred forty-three thousand, one hundred seventy-one".