1232160401 has 4 divisors (see below), whose sum is σ = 1233314100. Its totient is φ = 1231006704.

The previous prime is 1232160383. The next prime is 1232160403. The reversal of 1232160401 is 1040612321.

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 203034001 + 1029126400 = 14249^2 + 32080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232160401 - 2¹⁰ = 1232159377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1232160403) 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 3 ways as a sum of consecutive naturals, for example, 575246 + ... + 577383.

It is an arithmetic number, because the mean of its divisors is an integer number (308328525).

Almost surely, 2^1232160401 is an apocalyptic number.

It is an amenable number.

1232160401 is a deficient number, since it is larger than the sum of its proper divisors (1153699).

1232160401 is a wasteful number, since it uses less digits than its factorization.

1232160401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153698.

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

The square root of 1232160401 is about 35102.1423990047. The cubic root of 1232160401 is about 1072.0682043489.

Adding to 1232160401 its reverse (1040612321), we get a palindrome (2272772722).

The spelling of 1232160401 in words is "one billion, two hundred thirty-two million, one hundred sixty thousand, four hundred one".