120421054133 has 16 divisors (see below), whose sum is σ = 125617827456. Its totient is φ = 115335729600.

The previous prime is 120421054129. The next prime is 120421054283. The reversal of 120421054133 is 331450124021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120421054133 - 2² = 120421054129 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120421054333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4263608 + ... + 4291758.

It is an arithmetic number, because the mean of its divisors is an integer number (7851114216).

Almost surely, 2^120421054133 is an apocalyptic number.

It is an amenable number.

120421054133 is a deficient number, since it is larger than the sum of its proper divisors (5196773323).

120421054133 is a wasteful number, since it uses less digits than its factorization.

120421054133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30124.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 120421054133 its reverse (331450124021), we get a palindrome (451871178154).

The spelling of 120421054133 in words is "one hundred twenty billion, four hundred twenty-one million, fifty-four thousand, one hundred thirty-three".