120142025 has 12 divisors (see below), whose sum is σ = 150454284. Its totient is φ = 95160000.

The previous prime is 120142021. The next prime is 120142027. The reversal of 120142025 is 520241021.

It can be written as a sum of positive squares in 6 ways, for example, as 8543929 + 111598096 = 2923^2 + 10564^2 .

It is not a de Polignac number, because 120142025 - 2² = 120142021 is a prime.

It is a super-3 number, since 3×120142025³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120141994 and 120142012.

It is not an unprimeable number, because it can be changed into a prime (120142021) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 21266 + ... + 26315.

It is an arithmetic number, because the mean of its divisors is an integer number (12537857).

Almost surely, 2^120142025 is an apocalyptic number.

It is an amenable number.

120142025 is a deficient number, since it is larger than the sum of its proper divisors (30312259).

120142025 is a wasteful number, since it uses less digits than its factorization.

120142025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47692 (or 47687 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 120142025 is about 10960.9317578388. The cubic root of 120142025 is about 493.4369291309.

Adding to 120142025 its reverse (520241021), we get a palindrome (640383046).

The spelling of 120142025 in words is "one hundred twenty million, one hundred forty-two thousand, twenty-five".