1121464432 has 160 divisors (see below), whose sum is σ = 2638116864. Its totient is φ = 455884800.

The previous prime is 1121464427. The next prime is 1121464441. The reversal of 1121464432 is 2344641211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121464432.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 9924408 + ... + 9924520.

Almost surely, 2^1121464432 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 1121464432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319058432).

1121464432 is an abundant number, since it is smaller than the sum of its proper divisors (1516652432).

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

1121464432 is a wasteful number, since it uses less digits than its factorization.

1121464432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287 (or 281 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 1121464432 is about 33488.2730519207. The cubic root of 1121464432 is about 1038.9512455342.

The spelling of 1121464432 in words is "one billion, one hundred twenty-one million, four hundred sixty-four thousand, four hundred thirty-two".