120122121024 has 84 divisors (see below), whose sum is σ = 362429897440. Its totient is φ = 37933297920.

The previous prime is 120122121013. The next prime is 120122121029. The reversal of 120122121024 is 420121221021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120122120988 and 120122121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122121029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5477092 + ... + 5498979.

Almost surely, 2^120122121024 is an apocalyptic number.

It is an amenable number.

120122121024 is an abundant number, since it is smaller than the sum of its proper divisors (242307776416).

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

120122121024 is a wasteful number, since it uses less digits than its factorization.

120122121024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10976108 (or 10976095 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120122121024 its reverse (420121221021), we get a palindrome (540243342045).

The spelling of 120122121024 in words is "one hundred twenty billion, one hundred twenty-two million, one hundred twenty-one thousand, twenty-four".