1601342201 has 4 divisors (see below), whose sum is σ = 1619334900. Its totient is φ = 1583349504.

The previous prime is 1601342191. The next prime is 1601342209. The reversal of 1601342201 is 1022431061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 114468601 + 1486873600 = 10699^2 + 38560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1601342201 - 2¹⁸ = 1601080057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1601342209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8996216 + ... + 8996393.

It is an arithmetic number, because the mean of its divisors is an integer number (404833725).

Almost surely, 2^1601342201 is an apocalyptic number.

It is an amenable number.

1601342201 is a deficient number, since it is larger than the sum of its proper divisors (17992699).

1601342201 is an equidigital number, since it uses as much as digits as its factorization.

1601342201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17992698.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1601342201 is about 40016.7739954135. The cubic root of 1601342201 is about 1169.9340555036.

Adding to 1601342201 its reverse (1022431061), we get a palindrome (2623773262).

The spelling of 1601342201 in words is "one billion, six hundred one million, three hundred forty-two thousand, two hundred one".