1201310236 has 48 divisors (see below), whose sum is σ = 2551046400. Its totient is φ = 483211008.

The previous prime is 1201310203. The next prime is 1201310237. The reversal of 1201310236 is 6320131021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201310237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177075 + ... + 183733.

It is an arithmetic number, because the mean of its divisors is an integer number (53146800).

Almost surely, 2^1201310236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201310236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1275523200).

1201310236 is an abundant number, since it is smaller than the sum of its proper divisors (1349736164).

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

1201310236 is a wasteful number, since it uses less digits than its factorization.

1201310236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7066 (or 7064 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1201310236 is about 34659.9226196482. The cubic root of 1201310236 is about 1063.0451878143.

Adding to 1201310236 its reverse (6320131021), we get a palindrome (7521441257).

The spelling of 1201310236 in words is "one billion, two hundred one million, three hundred ten thousand, two hundred thirty-six".