1234021120 has 72 divisors (see below), whose sum is σ = 3111499440. Its totient is φ = 467619840.

The previous prime is 1234021097. The next prime is 1234021147. The reversal of 1234021120 is 211204321.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1234021094 and 1234021103.

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, 1051 + ... + 49690.

It is an arithmetic number, because the mean of its divisors is an integer number (43215270).

Almost surely, 2^1234021120 is an apocalyptic number.

1234021120 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 1234021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555749720).

1234021120 is an abundant number, since it is smaller than the sum of its proper divisors (1877478320).

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

1234021120 is an equidigital number, since it uses as much as digits as its factorization.

1234021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50781 (or 50767 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1234021120 is about 35128.6367512319. The cubic root of 1234021120 is about 1072.6075860653.

Adding to 1234021120 its reverse (211204321), we get a palindrome (1445225441).

The spelling of 1234021120 in words is "one billion, two hundred thirty-four million, twenty-one thousand, one hundred twenty".