1203304056 has 64 divisors (see below), whose sum is σ = 3109622400. Its totient is φ = 387811200.

The previous prime is 1203304033. The next prime is 1203304057. The reversal of 1203304056 is 6504033021.

It is a happy number.

It is a super-2 number, since 2×1203304056² = 2895881302372102272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203304057) 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, 79411 + ... + 93341.

It is an arithmetic number, because the mean of its divisors is an integer number (48587850).

Almost surely, 2^1203304056 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 1203304056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1554811200).

1203304056 is an abundant number, since it is smaller than the sum of its proper divisors (1906318344).

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

1203304056 is a wasteful number, since it uses less digits than its factorization.

1203304056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14060 (or 14056 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1203304056 is about 34688.6733098860. The cubic root of 1203304056 is about 1063.6329763750.

Adding to 1203304056 its reverse (6504033021), we get a palindrome (7707337077).

The spelling of 1203304056 in words is "one billion, two hundred three million, three hundred four thousand, fifty-six".