1134723072 has 256 divisors, whose sum is σ = 3699319680. Its totient is φ = 301989888.

The previous prime is 1134723071. The next prime is 1134723077. The reversal of 1134723072 is 2703274311.

It is a tau number, because it is divible by the number of its divisors (256).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1134723071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11698128 + ... + 11698224.

Almost surely, 2^1134723072 is an apocalyptic number.

1134723072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1134723072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1849659840).

1134723072 is an abundant number, since it is smaller than the sum of its proper divisors (2564596608).

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

1134723072 is an frugal number, since it uses more digits than its factorization.

1134723072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 1134723072 is about 33685.6508323648. The cubic root of 1134723072 is about 1043.0295881324.

Adding to 1134723072 its reverse (2703274311), we get a palindrome (3837997383).

It can be divided in two parts, 1134 and 723072, that added together give a triangular number (724206 = T₁₂₀₃).

The spelling of 1134723072 in words is "one billion, one hundred thirty-four million, seven hundred twenty-three thousand, seventy-two".