120140525 has 6 divisors (see below), whose sum is σ = 148974282. Its totient is φ = 96112400.

The previous prime is 120140521. The next prime is 120140543. The reversal of 120140525 is 525041021.

It can be written as a sum of positive squares in 3 ways, for example, as 27730756 + 92409769 = 5266^2 + 9613^2 .

It is not a de Polignac number, because 120140525 - 2² = 120140521 is a prime.

It is a super-3 number, since 3×120140525³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120140497 and 120140506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120140521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2402786 + ... + 2402835.

It is an arithmetic number, because the mean of its divisors is an integer number (24829047).

Almost surely, 2^120140525 is an apocalyptic number.

It is an amenable number.

120140525 is a deficient number, since it is larger than the sum of its proper divisors (28833757).

120140525 is an equidigital number, since it uses as much as digits as its factorization.

120140525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4805631 (or 4805626 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 120140525 is about 10960.8633327854. The cubic root of 120140525 is about 493.4348755657.

Adding to 120140525 its reverse (525041021), we get a palindrome (645181546).

It can be divided in two parts, 1201405 and 25, that multiplied together give a triangular number (30035125 = T₇₇₅₀).

The spelling of 120140525 in words is "one hundred twenty million, one hundred forty thousand, five hundred twenty-five".