1133042520 has 128 divisors (see below), whose sum is σ = 3610008000. Its totient is φ = 283508736.

The previous prime is 1133042501. The next prime is 1133042531. The reversal of 1133042520 is 252403311.

It is a congruent number.

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, 915342 + ... + 916578.

Almost surely, 2^1133042520 is an apocalyptic number.

1133042520 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 1133042520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1805004000).

1133042520 is an abundant number, since it is smaller than the sum of its proper divisors (2476965480).

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

1133042520 is a wasteful number, since it uses less digits than its factorization.

1133042520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1133042520 is about 33660.6969624813. The cubic root of 1133042520 is about 1042.5144164687.

Adding to 1133042520 its reverse (252403311), we get a palindrome (1385445831).

The spelling of 1133042520 in words is "one billion, one hundred thirty-three million, forty-two thousand, five hundred twenty".