120403125 has 48 divisors (see below), whose sum is σ = 223110720. Its totient is φ = 64170000.

The previous prime is 120403117. The next prime is 120403147. The reversal of 120403125 is 521304021.

It is not a de Polignac number, because 120403125 - 2³ = 120403117 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 120403098 and 120403107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83662 + ... + 85088.

It is an arithmetic number, because the mean of its divisors is an integer number (4648140).

Almost surely, 2^120403125 is an apocalyptic number.

120403125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120403125 is a deficient number, since it is larger than the sum of its proper divisors (102707595).

120403125 is an frugal number, since it uses more digits than its factorization.

120403125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120403125 is about 10972.8357775007. The cubic root of 120403125 is about 493.7941262705.

Adding to 120403125 its reverse (521304021), we get a palindrome (641707146).

The spelling of 120403125 in words is "one hundred twenty million, four hundred three thousand, one hundred twenty-five".