1132521023 has 4 divisors (see below), whose sum is σ = 1132618608. Its totient is φ = 1132423440.

The previous prime is 1132521017. The next prime is 1132521031. The reversal of 1132521023 is 3201252311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3201252311 = 53 ⋅60400987.

It is a cyclic number.

It is not a de Polignac number, because 1132521023 - 2⁶ = 1132520959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1132520986 and 1132521004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132521073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28598 + ... + 55523.

It is an arithmetic number, because the mean of its divisors is an integer number (283154652).

Almost surely, 2^1132521023 is an apocalyptic number.

1132521023 is a deficient number, since it is larger than the sum of its proper divisors (97585).

1132521023 is an equidigital number, since it uses as much as digits as its factorization.

1132521023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97584.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1132521023 is about 33652.9496924118. The cubic root of 1132521023 is about 1042.3544484880.

Adding to 1132521023 its reverse (3201252311), we get a palindrome (4333773334).

The spelling of 1132521023 in words is "one billion, one hundred thirty-two million, five hundred twenty-one thousand, twenty-three".