10420121504 has 48 divisors (see below), whose sum is σ = 22454890920. Its totient is φ = 4730434560.

The previous prime is 10420121483. The next prime is 10420121563. The reversal of 10420121504 is 40512102401.

It is a happy number.

10420121504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5748672400 + 4671449104 = 75820^2 + 68348^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179939 + ... + 230690.

Almost surely, 2^10420121504 is an apocalyptic number.

It is an amenable number.

10420121504 is an abundant number, since it is smaller than the sum of its proper divisors (12034769416).

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

10420121504 is a wasteful number, since it uses less digits than its factorization.

10420121504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410713 (or 410705 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 10420121504 its reverse (40512102401), we get a palindrome (50932223905).

The spelling of 10420121504 in words is "ten billion, four hundred twenty million, one hundred twenty-one thousand, five hundred four".