1124001111420 has 576 divisors, whose sum is σ = 3980017327104. Its totient is φ = 254062448640.

The previous prime is 1124001111371. The next prime is 1124001111437. The reversal of 1124001111420 is 241111004211.

1124001111420 is a `hidden beast` number, since 1 + 1 + 240 + 0 + 1 + 1 + 1 + 1 + 420 = 666.

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 = 1124001111393 and 1124001111402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 393418632 + ... + 393421488.

It is an arithmetic number, because the mean of its divisors is an integer number (6909752304).

Almost surely, 2^{1124001111420} is an apocalyptic number.

1124001111420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124001111420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1990008663552).

1124001111420 is an abundant number, since it is smaller than the sum of its proper divisors (2856016215684).

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

1124001111420 is a wasteful number, since it uses less digits than its factorization.

1124001111420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122 (or 3117 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1124001111420 its reverse (241111004211), we get a palindrome (1365112115631).

The spelling of 1124001111420 in words is "one trillion, one hundred twenty-four billion, one million, one hundred eleven thousand, four hundred twenty".