1209314432 has 64 divisors (see below), whose sum is σ = 2545063200. Its totient is φ = 570783744.

The previous prime is 1209314417. The next prime is 1209314459. The reversal of 1209314432 is 2344139021.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1209314395 and 1209314404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843188 + ... + 844620.

Almost surely, 2^1209314432 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 1209314432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1272531600).

1209314432 is an abundant number, since it is smaller than the sum of its proper divisors (1335748768).

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

1209314432 is a wasteful number, since it uses less digits than its factorization.

1209314432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813 (or 1801 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1209314432 is about 34775.1985184844. The cubic root of 1209314432 is about 1065.4009472875.

The spelling of 1209314432 in words is "one billion, two hundred nine million, three hundred fourteen thousand, four hundred thirty-two".