160001243 has 2 divisors, whose sum is σ = 160001244. Its totient is φ = 160001242.

The previous prime is 160001239. The next prime is 160001249. The reversal of 160001243 is 342100061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 160001243 - 2² = 160001239 is a prime.

It is not a weakly prime, because it can be changed into another prime (160001249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80000621 + 80000622.

It is an arithmetic number, because the mean of its divisors is an integer number (80000622).

Almost surely, 2^160001243 is an apocalyptic number.

160001243 is a deficient number, since it is larger than the sum of its proper divisors (1).

160001243 is an equidigital number, since it uses as much as digits as its factorization.

160001243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 160001243 is about 12649.1597744672. The cubic root of 160001243 is about 542.8849291575.

The spelling of 160001243 in words is "one hundred sixty million, one thousand, two hundred forty-three".