120521522 has 32 divisors (see below), whose sum is σ = 208422720. Its totient is φ = 51693120.

The previous prime is 120521507. The next prime is 120521537. The reversal of 120521522 is 225125021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (120521507) and next prime (120521537).

It is a junction number, because it is equal to n+sod(n) for n = 120521494 and 120521503.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 155528 + ... + 156300.

It is an arithmetic number, because the mean of its divisors is an integer number (6513210).

Almost surely, 2^120521522 is an apocalyptic number.

120521522 is a deficient number, since it is larger than the sum of its proper divisors (87901198).

120521522 is a wasteful number, since it uses less digits than its factorization.

120521522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178.

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

The square root of 120521522 is about 10978.2294565198. The cubic root of 120521522 is about 493.9559287996.

Adding to 120521522 its reverse (225125021), we get a palindrome (345646543).

The spelling of 120521522 in words is "one hundred twenty million, five hundred twenty-one thousand, five hundred twenty-two".