725126120 has 32 divisors (see below), whose sum is σ = 1637365320. Its totient is φ = 289013760.

The previous prime is 725126113. The next prime is 725126141. The reversal of 725126120 is 21621527.

725126120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 541306756 + 183819364 = 23266^2 + 13558^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 725126120.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21017 + ... + 43496.

Almost surely, 2^725126120 is an apocalyptic number.

It is an amenable number.

725126120 is an abundant number, since it is smaller than the sum of its proper divisors (912239200).

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

725126120 is a wasteful number, since it uses less digits than its factorization.

725126120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64805 (or 64801 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 725126120 is about 26928.1659234341. The cubic root of 725126120 is about 898.4029785118.

Adding to 725126120 its reverse (21621527), we get a palindrome (746747647).

The spelling of 725126120 in words is "seven hundred twenty-five million, one hundred twenty-six thousand, one hundred twenty".