1123524530 has 32 divisors (see below), whose sum is σ = 2130710400. Its totient is φ = 425371392.

The previous prime is 1123524529. The next prime is 1123524553. The reversal of 1123524530 is 354253211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1123524530.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 294314 + ... + 298106.

It is an arithmetic number, because the mean of its divisors is an integer number (66584700).

Almost surely, 2^1123524530 is an apocalyptic number.

1123524530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123524530 is a deficient number, since it is larger than the sum of its proper divisors (1007185870).

1123524530 is a wasteful number, since it uses less digits than its factorization.

1123524530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1123524530 is about 33519.0174378665. The cubic root of 1123524530 is about 1039.5870309341.

Adding to 1123524530 its reverse (354253211), we get a palindrome (1477777741).

The spelling of 1123524530 in words is "one billion, one hundred twenty-three million, five hundred twenty-four thousand, five hundred thirty".