1232687201 has 2 divisors, whose sum is σ = 1232687202. Its totient is φ = 1232687200.

The previous prime is 1232687191. The next prime is 1232687219. The reversal of 1232687201 is 1027862321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 687698176 + 544989025 = 26224^2 + 23345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1232687201 - 2¹⁰ = 1232686177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232687251) 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 as a sum of consecutive naturals, namely, 616343600 + 616343601.

It is an arithmetic number, because the mean of its divisors is an integer number (616343601).

Almost surely, 2^1232687201 is an apocalyptic number.

It is an amenable number.

1232687201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232687201 is an equidigital number, since it uses as much as digits as its factorization.

1232687201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1232687201 is about 35109.6454126213. The cubic root of 1232687201 is about 1072.2209672148.

The spelling of 1232687201 in words is "one billion, two hundred thirty-two million, six hundred eighty-seven thousand, two hundred one".