120571581325 has 12 divisors (see below), whose sum is σ = 161009435188. Its totient is φ = 89037475200.

The previous prime is 120571581323. The next prime is 120571581343. The reversal of 120571581325 is 523185175021.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 47141962884 + 73429618441 = 217122^2 + 270979^2 .

It is not a de Polignac number, because 120571581325 - 2¹ = 120571581323 is a prime.

It is a super-2 number, since 2×120571581325² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120571581323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185494416 + ... + 185495065.

Almost surely, 2^120571581325 is an apocalyptic number.

It is an amenable number.

120571581325 is a deficient number, since it is larger than the sum of its proper divisors (40437853863).

120571581325 is a wasteful number, since it uses less digits than its factorization.

120571581325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370989504 (or 370989499 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 40.

The spelling of 120571581325 in words is "one hundred twenty billion, five hundred seventy-one million, five hundred eighty-one thousand, three hundred twenty-five".