1263848028 has 24 divisors (see below), whose sum is σ = 2949555840. Its totient is φ = 421200240.

The previous prime is 1263847997. The next prime is 1263848029. The reversal of 1263848028 is 8208483621.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263848029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106833 + ... + 118071.

It is an arithmetic number, because the mean of its divisors is an integer number (122898160).

Almost surely, 2^1263848028 is an apocalyptic number.

It is an amenable number.

1263848028 is an abundant number, since it is smaller than the sum of its proper divisors (1685707812).

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

1263848028 is a wasteful number, since it uses less digits than its factorization.

1263848028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20617 (or 20615 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 1263848028 is about 35550.6403317859. The cubic root of 1263848028 is about 1081.1807011931.

The spelling of 1263848028 in words is "one billion, two hundred sixty-three million, eight hundred forty-eight thousand, twenty-eight".