1122123002420 has 24 divisors (see below), whose sum is σ = 2693095206144. Its totient is φ = 384727886496.

The previous prime is 1122123002393. The next prime is 1122123002461. The reversal of 1122123002420 is 242003212211.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1122123002392 and 1122123002401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4007582012 + ... + 4007582291.

It is an arithmetic number, because the mean of its divisors is an integer number (112212300256).

Almost surely, 2^{1122123002420} is an apocalyptic number.

1122123002420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122123002420 is an abundant number, since it is smaller than the sum of its proper divisors (1570972203724).

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

1122123002420 is a wasteful number, since it uses less digits than its factorization.

1122123002420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8015164319 (or 8015164317 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 1122123002420 its reverse (242003212211), we get a palindrome (1364126214631).

The spelling of 1122123002420 in words is "one trillion, one hundred twenty-two billion, one hundred twenty-three million, two thousand, four hundred twenty".