1043120032 has 48 divisors (see below), whose sum is σ = 2108787912. Its totient is φ = 507617280.

The previous prime is 1043120027. The next prime is 1043120077. The reversal of 1043120032 is 2300213401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 636855696 + 406264336 = 25236^2 + 20156^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1043119988 and 1043120015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 803608 + ... + 804904.

Almost surely, 2^1043120032 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 1043120032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054393956).

1043120032 is an abundant number, since it is smaller than the sum of its proper divisors (1065667880).

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

1043120032 is a wasteful number, since it uses less digits than its factorization.

1043120032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1043120032 is about 32297.3688092389. The cubic root of 1043120032 is about 1014.1715621205.

Adding to 1043120032 its reverse (2300213401), we get a palindrome (3343333433).

The spelling of 1043120032 in words is "one billion, forty-three million, one hundred twenty thousand, thirty-two".