120126313525 has 6 divisors (see below), whose sum is σ = 148956628802. Its totient is φ = 96101050800.

The previous prime is 120126313523. The next prime is 120126313543. The reversal of 120126313525 is 525313621021.

It can be written as a sum of positive squares in 3 ways, for example, as 1576248804 + 118550064721 = 39702^2 + 344311^2 .

It is not a de Polignac number, because 120126313525 - 2¹ = 120126313523 is a prime.

It is a super-2 number, since 2×120126313525² (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 (120126313523) 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, 2402526246 + ... + 2402526295.

Almost surely, 2^120126313525 is an apocalyptic number.

It is an amenable number.

120126313525 is a deficient number, since it is larger than the sum of its proper divisors (28830315277).

120126313525 is an equidigital number, since it uses as much as digits as its factorization.

120126313525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4805052551 (or 4805052546 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 120126313525 its reverse (525313621021), we get a palindrome (645439934546).

The spelling of 120126313525 in words is "one hundred twenty billion, one hundred twenty-six million, three hundred thirteen thousand, five hundred twenty-five".