160121425 has 12 divisors (see below), whose sum is σ = 198899596. Its totient is φ = 127872000.

The previous prime is 160121399. The next prime is 160121471. The reversal of 160121425 is 524121061.

It can be written as a sum of positive squares in 6 ways, for example, as 8363664 + 151757761 = 2892^2 + 12319^2 .

It is not a de Polignac number, because 160121425 - 2¹⁷ = 159990353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 160121396 and 160121405.

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 11 ways as a sum of consecutive naturals, for example, 9697 + ... + 20353.

Almost surely, 2^160121425 is an apocalyptic number.

It is an amenable number.

160121425 is a deficient number, since it is larger than the sum of its proper divisors (38778171).

160121425 is a wasteful number, since it uses less digits than its factorization.

160121425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11268 (or 11263 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 160121425 is about 12653.9094749409. The cubic root of 160121425 is about 543.0208211591.

Adding to 160121425 its reverse (524121061), we get a palindrome (684242486).

The spelling of 160121425 in words is "one hundred sixty million, one hundred twenty-one thousand, four hundred twenty-five".