1124165745 has 24 divisors (see below), whose sum is σ = 1950460200. Its totient is φ = 598968576.

The previous prime is 1124165737. The next prime is 1124165747. The reversal of 1124165745 is 5475614211.

It can be written as a sum of positive squares in 4 ways, for example, as 8071281 + 1116094464 = 2841^2 + 33408^2 .

It is not a de Polignac number, because 1124165745 - 2³ = 1124165737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1124165747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36421 + ... + 59789.

It is an arithmetic number, because the mean of its divisors is an integer number (81269175).

Almost surely, 2^1124165745 is an apocalyptic number.

1124165745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1124165745 is a deficient number, since it is larger than the sum of its proper divisors (826294455).

1124165745 is a wasteful number, since it uses less digits than its factorization.

1124165745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24449 (or 24446 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 1124165745 is about 33528.5810167982. The cubic root of 1124165745 is about 1039.7847634586.

Adding to 1124165745 its reverse (5475614211), we get a palindrome (6599779956).

The spelling of 1124165745 in words is "one billion, one hundred twenty-four million, one hundred sixty-five thousand, seven hundred forty-five".