160021123 has 2 divisors, whose sum is σ = 160021124. Its totient is φ = 160021122.

The previous prime is 160021111. The next prime is 160021129. The reversal of 160021123 is 321120061.

It is a strong prime.

It is an emirp because it is prime and its reverse (321120061) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 160021123 - 2⁵ = 160021091 is a prime.

It is a super-2 number, since 2×160021123² = 51213519612362258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 160021097 and 160021106.

It is not a weakly prime, because it can be changed into another prime (160021129) 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 as a sum of consecutive naturals, namely, 80010561 + 80010562.

It is an arithmetic number, because the mean of its divisors is an integer number (80010562).

Almost surely, 2^160021123 is an apocalyptic number.

160021123 is a deficient number, since it is larger than the sum of its proper divisors (1).

160021123 is an equidigital number, since it uses as much as digits as its factorization.

160021123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 160021123 is about 12649.9455730054. The cubic root of 160021123 is about 542.9074125358.

Adding to 160021123 its reverse (321120061), we get a palindrome (481141184).

The spelling of 160021123 in words is "one hundred sixty million, twenty-one thousand, one hundred twenty-three".