1132400521 has 8 divisors (see below), whose sum is σ = 1297779840. Its totient is φ = 967923168.

The previous prime is 1132400501. The next prime is 1132400527. The reversal of 1132400521 is 1250042311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1132400521 - 2¹⁹ = 1131876233 is a prime.

It is a super-2 number, since 2×1132400521² = 2564661879922142882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1132400527) 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, 222796 + ... + 227821.

It is an arithmetic number, because the mean of its divisors is an integer number (162222480).

Almost surely, 2^1132400521 is an apocalyptic number.

It is an amenable number.

1132400521 is a deficient number, since it is larger than the sum of its proper divisors (165379319).

1132400521 is an equidigital number, since it uses as much as digits as its factorization.

1132400521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450983.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1132400521 is about 33651.1592816652. The cubic root of 1132400521 is about 1042.3174777980.

Adding to 1132400521 its reverse (1250042311), we get a palindrome (2382442832).

The spelling of 1132400521 in words is "one billion, one hundred thirty-two million, four hundred thousand, five hundred twenty-one".