1204021260 has 576 divisors, whose sum is σ = 4623091200. Its totient is φ = 259780608.

The previous prime is 1204021237. The next prime is 1204021267. The reversal of 1204021260 is 621204021.

1204021260 is a `hidden beast` number, since 1 + 2 + 0 + 402 + 1 + 260 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1204021267) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 20407111 + ... + 20407169.

It is an arithmetic number, because the mean of its divisors is an integer number (8026200).

Almost surely, 2^1204021260 is an apocalyptic number.

1204021260 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 1204021260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2311545600).

1204021260 is an abundant number, since it is smaller than the sum of its proper divisors (3419069940).

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

1204021260 is a wasteful number, since it uses less digits than its factorization.

1204021260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1204021260 is about 34699.0094959496. The cubic root of 1204021260 is about 1063.8442530713.

Adding to 1204021260 its reverse (621204021), we get a palindrome (1825225281).

The spelling of 1204021260 in words is "one billion, two hundred four million, twenty-one thousand, two hundred sixty".