1260903056 has 80 divisors (see below), whose sum is σ = 3084873984. Its totient is φ = 486469632.

The previous prime is 1260903047. The next prime is 1260903071. The reversal of 1260903056 is 6503090621.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29396 + ... + 58188.

Almost surely, 2^1260903056 is an apocalyptic number.

1260903056 is a gapful number since it is divisible by the number (16) 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 1260903056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1542436992).

1260903056 is an abundant number, since it is smaller than the sum of its proper divisors (1823970928).

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

1260903056 is a wasteful number, since it uses less digits than its factorization.

1260903056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28848 (or 28842 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 1260903056 is about 35509.1967805525. The cubic root of 1260903056 is about 1080.3402722955.

Adding to 1260903056 its reverse (6503090621), we get a palindrome (7763993677).

The spelling of 1260903056 in words is "one billion, two hundred sixty million, nine hundred three thousand, fifty-six".