1236227076 has 144 divisors (see below), whose sum is σ = 3776774400. Its totient is φ = 348618816.

The previous prime is 1236227071. The next prime is 1236227087. The reversal of 1236227076 is 6707226321.

It is a happy number.

1236227076 is a `hidden beast` number, since 1 + 23 + 622 + 7 + 0 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1236227076.

It is not an unprimeable number, because it can be changed into a prime (1236227071) 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 47 ways as a sum of consecutive naturals, for example, 416590 + ... + 419546.

It is an arithmetic number, because the mean of its divisors is an integer number (26227600).

Almost surely, 2^1236227076 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 1236227076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1888387200).

1236227076 is an abundant number, since it is smaller than the sum of its proper divisors (2540547324).

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

1236227076 is a wasteful number, since it uses less digits than its factorization.

1236227076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063 (or 3048 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 1236227076 is about 35160.0209897548. The cubic root of 1236227076 is about 1073.2463424562.

The spelling of 1236227076 in words is "one billion, two hundred thirty-six million, two hundred twenty-seven thousand, seventy-six".