1123532449 has 6 divisors (see below), whose sum is σ = 1216606326. Its totient is φ = 1037106720.

The previous prime is 1123532437. The next prime is 1123532483. The reversal of 1123532449 is 9442353211.

It can be written as a sum of positive squares in 3 ways, for example, as 4161600 + 1119370849 = 2040^2 + 33457^2 .

It is not a de Polignac number, because 1123532449 - 2²¹ = 1121435297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123532419) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3323892 + ... + 3324229.

It is an arithmetic number, because the mean of its divisors is an integer number (202767721).

Almost surely, 2^1123532449 is an apocalyptic number.

It is an amenable number.

1123532449 is a deficient number, since it is larger than the sum of its proper divisors (93073877).

1123532449 is an equidigital number, since it uses as much as digits as its factorization.

1123532449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6648147 (or 6648134 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 1123532449 is about 33519.1355646293. The cubic root of 1123532449 is about 1039.5894733879.

The spelling of 1123532449 in words is "one billion, one hundred twenty-three million, five hundred thirty-two thousand, four hundred forty-nine".