725001122 has 8 divisors (see below), whose sum is σ = 1088764416. Its totient is φ = 362079652.

The previous prime is 725001119. The next prime is 725001149. The reversal of 725001122 is 221100527.

725001122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 725001094 and 725001103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208298 + ... + 211749.

It is an arithmetic number, because the mean of its divisors is an integer number (136095552).

Almost surely, 2^725001122 is an apocalyptic number.

725001122 is a deficient number, since it is larger than the sum of its proper divisors (363763294).

725001122 is a wasteful number, since it uses less digits than its factorization.

725001122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420912.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 725001122 is about 26925.8448706814. The cubic root of 725001122 is about 898.3513529964.

Adding to 725001122 its reverse (221100527), we get a palindrome (946101649).

The spelling of 725001122 in words is "seven hundred twenty-five million, one thousand, one hundred twenty-two".