1134201728 has 96 divisors (see below), whose sum is σ = 2523004680. Its totient is φ = 507386880.

The previous prime is 1134201727. The next prime is 1134201763. The reversal of 1134201728 is 8271024311.

It is a self number, because there is not a number n which added to its sum of digits gives 1134201728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134201721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1037150 + ... + 1038242.

Almost surely, 2^1134201728 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 1134201728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261502340).

1134201728 is an abundant number, since it is smaller than the sum of its proper divisors (1388802952).

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

1134201728 is a wasteful number, since it uses less digits than its factorization.

1134201728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1134201728 is about 33677.9115742054. The cubic root of 1134201728 is about 1042.8698250645.

The spelling of 1134201728 in words is "one billion, one hundred thirty-four million, two hundred one thousand, seven hundred twenty-eight".