120420420124 has 24 divisors (see below), whose sum is σ = 211594048848. Its totient is φ = 59965476480.

The previous prime is 120420420119. The next prime is 120420420137. The reversal of 120420420124 is 421024024021.

It is a junction number, because it is equal to n+sod(n) for n = 120420420095 and 120420420104.

It is a congruent number.

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, 911362 + ... + 1035094.

It is an arithmetic number, because the mean of its divisors is an integer number (8816418702).

Almost surely, 2^120420420124 is an apocalyptic number.

It is an amenable number.

120420420124 is a deficient number, since it is larger than the sum of its proper divisors (91173628724).

120420420124 is a wasteful number, since it uses less digits than its factorization.

120420420124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124725 (or 124723 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 120420420124 its reverse (421024024021), we get a palindrome (541444444145).

The spelling of 120420420124 in words is "one hundred twenty billion, four hundred twenty million, four hundred twenty thousand, one hundred twenty-four".