1421241120 has 192 divisors, whose sum is σ = 5357197440. Its totient is φ = 349830144.

The previous prime is 1421241067. The next prime is 1421241137. The reversal of 1421241120 is 211421241.

1421241120 is a `hidden beast` number, since 1 + 421 + 241 + 1 + 2 + 0 = 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 = 1421241093 and 1421241102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43507 + ... + 68813.

It is an arithmetic number, because the mean of its divisors is an integer number (27902070).

Almost surely, 2^1421241120 is an apocalyptic number.

1421241120 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 1421241120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2678598720).

1421241120 is an abundant number, since it is smaller than the sum of its proper divisors (3935956320).

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

1421241120 is a wasteful number, since it uses less digits than its factorization.

1421241120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25344 (or 25330 counting only the distinct ones).

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

The square root of 1421241120 is about 37699.3517185641. The cubic root of 1421241120 is about 1124.3182358147.

Adding to 1421241120 its reverse (211421241), we get a palindrome (1632662361).

The spelling of 1421241120 in words is "one billion, four hundred twenty-one million, two hundred forty-one thousand, one hundred twenty".