1132405452 has 36 divisors (see below), whose sum is σ = 2869863360. Its totient is φ = 376493472.

The previous prime is 1132405441. The next prime is 1132405459. The reversal of 1132405452 is 2545042311.

1132405452 is a `hidden beast` number, since 113 + 2 + 4 + 0 + 545 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (1132405459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26428 + ... + 54435.

Almost surely, 2^1132405452 is an apocalyptic number.

1132405452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1132405452 is an abundant number, since it is smaller than the sum of its proper divisors (1737457908).

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

1132405452 is a wasteful number, since it uses less digits than its factorization.

1132405452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81262 (or 81257 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1132405452 is about 33651.2325480063. The cubic root of 1132405452 is about 1042.3189907080.

Adding to 1132405452 its reverse (2545042311), we get a palindrome (3677447763).

The spelling of 1132405452 in words is "one billion, one hundred thirty-two million, four hundred five thousand, four hundred fifty-two".