1301235606 has 48 divisors (see below), whose sum is σ = 3083857920. Its totient is φ = 393261360.

The previous prime is 1301235601. The next prime is 1301235613. The reversal of 1301235606 is 6065321031.

1301235606 is a `hidden beast` number, since 1 + 30 + 1 + 23 + 5 + 606 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1301235606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301235601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67255 + ... + 84413.

It is an arithmetic number, because the mean of its divisors is an integer number (64247040).

Almost surely, 2^1301235606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301235606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1541928960).

1301235606 is an abundant number, since it is smaller than the sum of its proper divisors (1782622314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301235606 is a wasteful number, since it uses less digits than its factorization.

1301235606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17561 (or 17558 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1301235606 is about 36072.6434573348. The cubic root of 1301235606 is about 1091.7385509010.

Adding to 1301235606 its reverse (6065321031), we get a palindrome (7366556637).

The spelling of 1301235606 in words is "one billion, three hundred one million, two hundred thirty-five thousand, six hundred six".