120521514425 has 12 divisors (see below), whose sum is σ = 160942576620. Its totient is φ = 89000502720.

The previous prime is 120521514409. The next prime is 120521514479. The reversal of 120521514425 is 524415125021.

It can be written as a sum of positive squares in 6 ways, for example, as 17211340864 + 103310173561 = 131192^2 + 321419^2 .

It is not a de Polignac number, because 120521514425 - 2⁴ = 120521514409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120521514391 and 120521514400.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185417390 + ... + 185418039.

It is an arithmetic number, because the mean of its divisors is an integer number (13411881385).

Almost surely, 2^120521514425 is an apocalyptic number.

It is an amenable number.

120521514425 is a deficient number, since it is larger than the sum of its proper divisors (40421062195).

120521514425 is a wasteful number, since it uses less digits than its factorization.

120521514425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370835452 (or 370835447 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 120521514425 its reverse (524415125021), we get a palindrome (644936639446).

The spelling of 120521514425 in words is "one hundred twenty billion, five hundred twenty-one million, five hundred fourteen thousand, four hundred twenty-five".