1204403256 has 192 divisors, whose sum is σ = 3926657280. Its totient is φ = 338722560.

The previous prime is 1204403237. The next prime is 1204403261. The reversal of 1204403256 is 6523044021.

1204403256 is a `hidden beast` number, since 1 + 2 + 0 + 4 + 403 + 256 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 911076 + ... + 912396.

It is an arithmetic number, because the mean of its divisors is an integer number (20451340).

Almost surely, 2^1204403256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1204403256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1963328640).

1204403256 is an abundant number, since it is smaller than the sum of its proper divisors (2722254024).

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

1204403256 is a wasteful number, since it uses less digits than its factorization.

1204403256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 1400 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 1204403256 is about 34704.5134816784. The cubic root of 1204403256 is about 1063.9567486706.

Adding to 1204403256 its reverse (6523044021), we get a palindrome (7727447277).

The spelling of 1204403256 in words is "one billion, two hundred four million, four hundred three thousand, two hundred fifty-six".