1256303048 has 128 divisors (see below), whose sum is σ = 3217536000. Its totient is φ = 443992320.

The previous prime is 1256303029. The next prime is 1256303071. The reversal of 1256303048 is 8403036521.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471143 + ... + 473801.

It is an arithmetic number, because the mean of its divisors is an integer number (25137000).

Almost surely, 2^1256303048 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 1256303048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1608768000).

1256303048 is an abundant number, since it is smaller than the sum of its proper divisors (1961232952).

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

1256303048 is a wasteful number, since it uses less digits than its factorization.

1256303048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1256303048 is about 35444.3655324792. The cubic root of 1256303048 is about 1079.0249109337.

Adding to 1256303048 its reverse (8403036521), we get a palindrome (9659339569).

It can be divided in two parts, 12 and 56303048, that multiplied together give a palindrome (675636576).

The spelling of 1256303048 in words is "one billion, two hundred fifty-six million, three hundred three thousand, forty-eight".