1133311240 has 32 divisors (see below), whose sum is σ = 2684160000. Its totient is φ = 429465024.

The previous prime is 1133311219. The next prime is 1133311279. The reversal of 1133311240 is 421133311.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 744840 + ... + 746359.

It is an arithmetic number, because the mean of its divisors is an integer number (83880000).

Almost surely, 2^1133311240 is an apocalyptic number.

1133311240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133311240 is an abundant number, since it is smaller than the sum of its proper divisors (1550848760).

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

1133311240 is a wasteful number, since it uses less digits than its factorization.

1133311240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491229 (or 1491225 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1133311240 is about 33664.6883247120. The cubic root of 1133311240 is about 1042.5968265357.

Adding to 1133311240 its reverse (421133311), we get a palindrome (1554444551).

The spelling of 1133311240 in words is "one billion, one hundred thirty-three million, three hundred eleven thousand, two hundred forty".