1132503020 has 96 divisors (see below), whose sum is σ = 2653088256. Its totient is φ = 402624000.

The previous prime is 1132503013. The next prime is 1132503109. The reversal of 1132503020 is 203052311.

It is a self number, because there is not a number n which added to its sum of digits gives 1132503020.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2424827 + ... + 2425293.

It is an arithmetic number, because the mean of its divisors is an integer number (27636336).

Almost surely, 2^1132503020 is an apocalyptic number.

1132503020 is a gapful number since it is divisible by the number (10) 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 1132503020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326544128).

1132503020 is an abundant number, since it is smaller than the sum of its proper divisors (1520585236).

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

1132503020 is a wasteful number, since it uses less digits than its factorization.

1132503020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1132503020 is about 33652.6822110809. The cubic root of 1132503020 is about 1042.3489252332.

Adding to 1132503020 its reverse (203052311), we get a palindrome (1335555331).

The spelling of 1132503020 in words is "one billion, one hundred thirty-two million, five hundred three thousand, twenty".