1147030240 has 96 divisors (see below), whose sum is σ = 2881521216. Its totient is φ = 430510080.

The previous prime is 1147030237. The next prime is 1147030249. The reversal of 1147030240 is 420307411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147030249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192100 + ... + 197980.

It is an arithmetic number, because the mean of its divisors is an integer number (30015846).

Almost surely, 2^1147030240 is an apocalyptic number.

1147030240 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 1147030240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1440760608).

1147030240 is an abundant number, since it is smaller than the sum of its proper divisors (1734490976).

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

1147030240 is a wasteful number, since it uses less digits than its factorization.

1147030240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5972 (or 5964 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 1147030240 is about 33867.8348879877. The cubic root of 1147030240 is about 1046.7869245751.

Adding to 1147030240 its reverse (420307411), we get a palindrome (1567337651).

The spelling of 1147030240 in words is "one billion, one hundred forty-seven million, thirty thousand, two hundred forty".