120725705 has 4 divisors (see below), whose sum is σ = 144870852. Its totient is φ = 96580560.

The previous prime is 120725681. The next prime is 120725707. The reversal of 120725705 is 507527021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12503296 + 108222409 = 3536^2 + 10403^2 .

It is not a de Polignac number, because 120725705 - 2⁶ = 120725641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120725707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12072566 + ... + 12072575.

It is an arithmetic number, because the mean of its divisors is an integer number (36217713).

Almost surely, 2^120725705 is an apocalyptic number.

It is an amenable number.

120725705 is a deficient number, since it is larger than the sum of its proper divisors (24145147).

120725705 is an equidigital number, since it uses as much as digits as its factorization.

120725705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24145146.

The product of its (nonzero) digits is 4900, while the sum is 29.

The square root of 120725705 is about 10987.5249715302. The cubic root of 120725705 is about 494.2347185655.

The spelling of 120725705 in words is "one hundred twenty million, seven hundred twenty-five thousand, seven hundred five".