1133252240 has 20 divisors (see below), whose sum is σ = 2634811644. Its totient is φ = 453300864.

The previous prime is 1133252233. The next prime is 1133252269. The reversal of 1133252240 is 422523311.

It can be written as a sum of positive squares in 2 ways, for example, as 300814336 + 832437904 = 17344^2 + 28852^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7082747 + ... + 7082906.

Almost surely, 2^1133252240 is an apocalyptic number.

1133252240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133252240 is an abundant number, since it is smaller than the sum of its proper divisors (1501559404).

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

1133252240 is a wasteful number, since it uses less digits than its factorization.

1133252240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14165666 (or 14165660 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1133252240 is about 33663.8120241900. The cubic root of 1133252240 is about 1042.5787337477.

Adding to 1133252240 its reverse (422523311), we get a palindrome (1555775551).

The spelling of 1133252240 in words is "one billion, one hundred thirty-three million, two hundred fifty-two thousand, two hundred forty".