1204423120 has 80 divisors (see below), whose sum is σ = 2876512320. Its totient is φ = 468744192.

The previous prime is 1204423117. The next prime is 1204423127. The reversal of 1204423120 is 213244021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204423127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193176 + ... + 1194184.

It is an arithmetic number, because the mean of its divisors is an integer number (35956404).

Almost surely, 2^1204423120 is an apocalyptic number.

1204423120 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 1204423120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1438256160).

1204423120 is an abundant number, since it is smaller than the sum of its proper divisors (1672089200).

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

1204423120 is a wasteful number, since it uses less digits than its factorization.

1204423120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412 (or 1406 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1204423120 is about 34704.7996680574. The cubic root of 1204423120 is about 1063.9625978523.

Adding to 1204423120 its reverse (213244021), we get a palindrome (1417667141).

The spelling of 1204423120 in words is "one billion, two hundred four million, four hundred twenty-three thousand, one hundred twenty".