51233124 has 24 divisors (see below), whose sum is σ = 122325280. Its totient is φ = 16680384.

The previous prime is 51233071. The next prime is 51233129. The reversal of 51233124 is 42133215.

It is a self number, because there is not a number n which added to its sum of digits gives 51233124.

It is not an unprimeable number, because it can be changed into a prime (51233129) 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 7 ways as a sum of consecutive naturals, for example, 49129 + ... + 50160.

Almost surely, 2^51233124 is an apocalyptic number.

It is an amenable number.

51233124 is an abundant number, since it is smaller than the sum of its proper divisors (71092156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51233124 is a wasteful number, since it uses less digits than its factorization.

51233124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99339 (or 99337 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 51233124 is about 7157.7317636246. The cubic root of 51233124 is about 371.4071665039.

Adding to 51233124 its reverse (42133215), we get a palindrome (93366339).

Subtracting from 51233124 its reverse (42133215), we obtain a palindrome (9099909).

The spelling of 51233124 in words is "fifty-one million, two hundred thirty-three thousand, one hundred twenty-four".