1132421472 has 240 divisors, whose sum is σ = 4099832352. Its totient is φ = 298598400.

The previous prime is 1132421453. The next prime is 1132421501. The reversal of 1132421472 is 2741242311.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 233472 + ... + 238272.

Almost surely, 2^1132421472 is an apocalyptic number.

1132421472 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 1132421472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2049916176).

1132421472 is an abundant number, since it is smaller than the sum of its proper divisors (2967410880).

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

1132421472 is a wasteful number, since it uses less digits than its factorization.

1132421472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843 (or 4826 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1132421472 is about 33651.4705770788. The cubic root of 1132421472 is about 1042.3239058708.

Adding to 1132421472 its reverse (2741242311), we get a palindrome (3873663783).

The spelling of 1132421472 in words is "one billion, one hundred thirty-two million, four hundred twenty-one thousand, four hundred seventy-two".