1124430272 has 56 divisors (see below), whose sum is σ = 2578790880. Its totient is φ = 476467200.

The previous prime is 1124430271. The next prime is 1124430313. The reversal of 1124430272 is 2720344211.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124430271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25772 + ... + 53972.

Almost surely, 2^1124430272 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 1124430272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1289395440).

1124430272 is an abundant number, since it is smaller than the sum of its proper divisors (1454360608).

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

1124430272 is an equidigital number, since it uses as much as digits as its factorization.

1124430272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28309 (or 28299 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1124430272 is about 33532.5255833795. The cubic root of 1124430272 is about 1039.8663141772.

Adding to 1124430272 its reverse (2720344211), we get a palindrome (3844774483).

The spelling of 1124430272 in words is "one billion, one hundred twenty-four million, four hundred thirty thousand, two hundred seventy-two".