160000121 has 8 divisors (see below), whose sum is σ = 175744320. Its totient is φ = 144988272.

The previous prime is 160000117. The next prime is 160000129. The reversal of 160000121 is 121000061.

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

It is a cyclic number.

It is not a de Polignac number, because 160000121 - 2² = 160000117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (160000129) 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 7 ways as a sum of consecutive naturals, for example, 182630 + ... + 183503.

It is an arithmetic number, because the mean of its divisors is an integer number (21968040).

Almost surely, 2^160000121 is an apocalyptic number.

It is an amenable number.

160000121 is a deficient number, since it is larger than the sum of its proper divisors (15744199).

160000121 is a wasteful number, since it uses less digits than its factorization.

160000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366175.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 160000121 is about 12649.1154236176. The cubic root of 160000121 is about 542.8836601708.

Adding to 160000121 its reverse (121000061), we get a palindrome (281000182).

It can be divided in two parts, 160000 and 121, that multiplied together give a square (19360000 = 4400²).

The spelling of 160000121 in words is "one hundred sixty million, one hundred twenty-one", and thus it is an aban number.