120655496025 has 189 divisors, whose sum is σ = 234612295887. Its totient is φ = 61523517600.

The previous prime is 120655495991. The next prime is 120655496077. The reversal of 120655496025 is 520694556021.

The square root of 120655496025 is 347355.

It is a perfect power (a square), and thus also a powerful number.

120655496025 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 554 + 96 + 0 + 2 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 43435978569 + 77219517456 = 208413^2 + 277884^2 .

It is not a de Polignac number, because 120655496025 - 2¹¹ = 120655493977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 188 ways as a sum of consecutive naturals, for example, 1453680634 + ... + 1453680716.

Almost surely, 2^120655496025 is an apocalyptic number.

120655496025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120655496025 is the 347355-th square number.

120655496025 is the 173678-th centered octagonal number.

It is an amenable number.

120655496025 is a deficient number, since it is larger than the sum of its proper divisors (113956799862).

120655496025 is an frugal number, since it uses more digits than its factorization.

120655496025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 120655496025 in words is "one hundred twenty billion, six hundred fifty-five million, four hundred ninety-six thousand, twenty-five".