1204425420 has 48 divisors (see below), whose sum is σ = 3678974208. Its totient is φ = 291981760.

The previous prime is 1204425413. The next prime is 1204425421. The reversal of 1204425420 is 245244021.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1204425421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 911784 + ... + 913103.

It is an arithmetic number, because the mean of its divisors is an integer number (76645296).

Almost surely, 2^1204425420 is an apocalyptic number.

1204425420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204425420 is an abundant number, since it is smaller than the sum of its proper divisors (2474548788).

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

1204425420 is a wasteful number, since it uses less digits than its factorization.

1204425420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824910 (or 1824908 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1204425420 is about 34704.8328046686. The cubic root of 1204425420 is about 1063.9632751095.

Adding to 1204425420 its reverse (245244021), we get a palindrome (1449669441).

It can be divided in two parts, 1204 and 425420, that added together give a palindrome (426624).

The spelling of 1204425420 in words is "one billion, two hundred four million, four hundred twenty-five thousand, four hundred twenty".