120281725 has 6 divisors (see below), whose sum is σ = 149149370. Its totient is φ = 96225360.

The previous prime is 120281719. The next prime is 120281729. The reversal of 120281725 is 527182021.

It can be written as a sum of positive squares in 3 ways, for example, as 116281 + 120165444 = 341^2 + 10962^2 .

It is not a de Polignac number, because 120281725 - 2³ = 120281717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120281693 and 120281702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120281729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2405610 + ... + 2405659.

Almost surely, 2^120281725 is an apocalyptic number.

It is an amenable number.

120281725 is a deficient number, since it is larger than the sum of its proper divisors (28867645).

120281725 is an equidigital number, since it uses as much as digits as its factorization.

120281725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811279 (or 4811274 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 120281725 is about 10967.3025398226. The cubic root of 120281725 is about 493.6281096330.

The spelling of 120281725 in words is "one hundred twenty million, two hundred eighty-one thousand, seven hundred twenty-five".