164035121 has 2 divisors, whose sum is σ = 164035122. Its totient is φ = 164035120.

The previous prime is 164035061. The next prime is 164035147. The reversal of 164035121 is 121530461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140754496 + 23280625 = 11864^2 + 4825^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164035121 is a prime.

It is not a weakly prime, because it can be changed into another prime (164035321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82017560 + 82017561.

It is an arithmetic number, because the mean of its divisors is an integer number (82017561).

Almost surely, 2^164035121 is an apocalyptic number.

It is an amenable number.

164035121 is a deficient number, since it is larger than the sum of its proper divisors (1).

164035121 is an equidigital number, since it uses as much as digits as its factorization.

164035121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 164035121 is about 12807.6196461325. The cubic root of 164035121 is about 547.4094382574.

Adding to 164035121 its reverse (121530461), we get a palindrome (285565582).

The spelling of 164035121 in words is "one hundred sixty-four million, thirty-five thousand, one hundred twenty-one".