1123532437 has 2 divisors, whose sum is σ = 1123532438. Its totient is φ = 1123532436.

The previous prime is 1123532429. The next prime is 1123532483. The reversal of 1123532437 is 7342353211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 829958481 + 293573956 = 28809^2 + 17134^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123532437 - 2³ = 1123532429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123532399 and 1123532408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123532537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561766218 + 561766219.

It is an arithmetic number, because the mean of its divisors is an integer number (561766219).

Almost surely, 2^1123532437 is an apocalyptic number.

It is an amenable number.

1123532437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123532437 is an equidigital number, since it uses as much as digits as its factorization.

1123532437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 31.

The square root of 1123532437 is about 33519.1353856271. The cubic root of 1123532437 is about 1039.5894696867.

Adding to 1123532437 its reverse (7342353211), we get a palindrome (8465885648).

The spelling of 1123532437 in words is "one billion, one hundred twenty-three million, five hundred thirty-two thousand, four hundred thirty-seven".