1123634530 has 16 divisors (see below), whose sum is σ = 2022957504. Its totient is φ = 449361520.

The previous prime is 1123634513. The next prime is 1123634531. The reversal of 1123634530 is 354363211.

It is not an unprimeable number, because it can be changed into a prime (1123634531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61785 + ... + 77875.

It is an arithmetic number, because the mean of its divisors is an integer number (126434844).

Almost surely, 2^1123634530 is an apocalyptic number.

1123634530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123634530 is a deficient number, since it is larger than the sum of its proper divisors (899322974).

1123634530 is a wasteful number, since it uses less digits than its factorization.

1123634530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23081.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 1123634530 is about 33520.6582572598. The cubic root of 1123634530 is about 1039.6209571601.

Adding to 1123634530 its reverse (354363211), we get a palindrome (1477997741).

The spelling of 1123634530 in words is "one billion, one hundred twenty-three million, six hundred thirty-four thousand, five hundred thirty".