120402225 has 36 divisors (see below), whose sum is σ = 216652800. Its totient is φ = 63917280.

The previous prime is 120402209. The next prime is 120402251. The reversal of 120402225 is 522204021.

It is not a de Polignac number, because 120402225 - 2⁴ = 120402209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120402198 and 120402207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52656 + ... + 54894.

Almost surely, 2^120402225 is an apocalyptic number.

120402225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120402225 is a deficient number, since it is larger than the sum of its proper divisors (96250575).

120402225 is a wasteful number, since it uses less digits than its factorization.

120402225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494 (or 2486 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 120402225 is about 10972.7947670591. The cubic root of 120402225 is about 493.7928959153.

Adding to 120402225 its reverse (522204021), we get a palindrome (642606246).

The spelling of 120402225 in words is "one hundred twenty million, four hundred two thousand, two hundred twenty-five".