1123132437 has 48 divisors (see below), whose sum is σ = 1929607680. Its totient is φ = 616152096.

The previous prime is 1123132399. The next prime is 1123132441. The reversal of 1123132437 is 7342313211.

It is a happy number.

It is not a de Polignac number, because 1123132437 - 2¹⁸ = 1122870293 is a prime.

It is a super-2 number, since 2×1123132437² = 2522852942083117938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123132437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123132477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156318 + ... + 163344.

It is an arithmetic number, because the mean of its divisors is an integer number (40200160).

Almost surely, 2^1123132437 is an apocalyptic number.

It is an amenable number.

1123132437 is a deficient number, since it is larger than the sum of its proper divisors (806475243).

1123132437 is a wasteful number, since it uses less digits than its factorization.

1123132437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7142 (or 7139 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1123132437 is about 33513.1681134446. The cubic root of 1123132437 is about 1039.4660835009.

Adding to 1123132437 its reverse (7342313211), we get a palindrome (8465445648).

The spelling of 1123132437 in words is "one billion, one hundred twenty-three million, one hundred thirty-two thousand, four hundred thirty-seven".