1236422796 has 192 divisors, whose sum is σ = 3622993920. Its totient is φ = 320336640.

The previous prime is 1236422741. The next prime is 1236422797. The reversal of 1236422796 is 6972246321.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1236422797) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3975481 + ... + 3975791.

It is an arithmetic number, because the mean of its divisors is an integer number (18869760).

Almost surely, 2^1236422796 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 1236422796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811496960).

1236422796 is an abundant number, since it is smaller than the sum of its proper divisors (2386571124).

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

1236422796 is a wasteful number, since it uses less digits than its factorization.

1236422796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 442 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 1236422796 is about 35162.8041543902. The cubic root of 1236422796 is about 1073.3029784076.

The spelling of 1236422796 in words is "one billion, two hundred thirty-six million, four hundred twenty-two thousand, seven hundred ninety-six".