4120121532 has 24 divisors (see below), whose sum is σ = 9873445456. Its totient is φ = 1336255488.

The previous prime is 4120121521. The next prime is 4120121539. The reversal of 4120121532 is 2351210214.

It is a junction number, because it is equal to n+sod(n) for n = 4120121499 and 4120121508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120121539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4639333 + ... + 4640220.

Almost surely, 2^4120121532 is an apocalyptic number.

It is an amenable number.

4120121532 is an abundant number, since it is smaller than the sum of its proper divisors (5753323924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4120121532 is a wasteful number, since it uses less digits than its factorization.

4120121532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9279597 (or 9279595 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4120121532 is about 64188.1728358114. The cubic root of 4120121532 is about 1603.1346790854.

Adding to 4120121532 its reverse (2351210214), we get a palindrome (6471331746).

The spelling of 4120121532 in words is "four billion, one hundred twenty million, one hundred twenty-one thousand, five hundred thirty-two".