1248775260 has 24 divisors (see below), whose sum is σ = 3496570896. Its totient is φ = 333006720.

The previous prime is 1248775259. The next prime is 1248775261. The reversal of 1248775260 is 625778421.

1248775260 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1248775259) and next prime (1248775261).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248775261) 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, 10406401 + ... + 10406520.

It is an arithmetic number, because the mean of its divisors is an integer number (145690454).

Almost surely, 2^1248775260 is an apocalyptic number.

1248775260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1248775260 is an abundant number, since it is smaller than the sum of its proper divisors (2247795636).

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

1248775260 is a wasteful number, since it uses less digits than its factorization.

1248775260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20812933 (or 20812931 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 1248775260 is about 35338.0143754569. The cubic root of 1248775260 is about 1076.8654137388.

The spelling of 1248775260 in words is "one billion, two hundred forty-eight million, seven hundred seventy-five thousand, two hundred sixty".