164127122 has 8 divisors (see below), whose sum is σ = 247106700. Its totient is φ = 81758224.

The previous prime is 164127109. The next prime is 164127179. The reversal of 164127122 is 221721461.

It can be written as a sum of positive squares in 2 ways, for example, as 162537001 + 1590121 = 12749^2 + 1261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 164127091 and 164127100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151997 + ... + 153072.

Almost surely, 2^164127122 is an apocalyptic number.

164127122 is a deficient number, since it is larger than the sum of its proper divisors (82979578).

164127122 is a wasteful number, since it uses less digits than its factorization.

164127122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305340.

The product of its digits is 1344, while the sum is 26.

The square root of 164127122 is about 12811.2107936760. The cubic root of 164127122 is about 547.5117594411.

Adding to 164127122 its reverse (221721461), we get a palindrome (385848583).

The spelling of 164127122 in words is "one hundred sixty-four million, one hundred twenty-seven thousand, one hundred twenty-two".