1132405240 has 32 divisors (see below), whose sum is σ = 2610059760. Its totient is φ = 441913600.

The previous prime is 1132405223. The next prime is 1132405243. The reversal of 1132405240 is 425042311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132405243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343606 + ... + 346885.

Almost surely, 2^1132405240 is an apocalyptic number.

1132405240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132405240 is an abundant number, since it is smaller than the sum of its proper divisors (1477654520).

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

1132405240 is a wasteful number, since it uses less digits than its factorization.

1132405240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690543 (or 690539 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1132405240 is about 33651.2293980473. The cubic root of 1132405240 is about 1042.3189256631.

Adding to 1132405240 its reverse (425042311), we get a palindrome (1557447551).

The spelling of 1132405240 in words is "one billion, one hundred thirty-two million, four hundred five thousand, two hundred forty".