5123221504 has 24 divisors (see below), whose sum is σ = 10243945530. Its totient is φ = 2561609728.

The previous prime is 5123221501. The next prime is 5123221547. The reversal of 5123221504 is 4051223215.

It can be written as a sum of positive squares in only one way, i.e., 5115110400 + 8111104 = 71520^2 + 2848^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5123221501) 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 as a sum of consecutive naturals, namely, 1248739 + ... + 1252834.

Almost surely, 2^5123221504 is an apocalyptic number.

It is an amenable number.

5123221504 is a deficient number, since it is larger than the sum of its proper divisors (5120724026).

5123221504 is an equidigital number, since it uses as much as digits as its factorization.

5123221504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501595 (or 2501575 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 5123221504 is about 71576.6826836785. The cubic root of 5123221504 is about 1723.9091616516.

Adding to 5123221504 its reverse (4051223215), we get a palindrome (9174444719).

The spelling of 5123221504 in words is "five billion, one hundred twenty-three million, two hundred twenty-one thousand, five hundred four".