1248875253 has 20 divisors (see below), whose sum is σ = 1868702220. Its totient is φ = 831200832.

The previous prime is 1248875249. The next prime is 1248875261. The reversal of 1248875253 is 3525788421.

1248875253 is a `hidden beast` number, since 1 + 2 + 48 + 87 + 525 + 3 = 666.

1248875253 is a nontrivial binomial coefficient, being equal to C(49978, 2).

It can be written as a sum of positive squares in 2 ways, for example, as 691584804 + 557290449 = 26298^2 + 23607^2 .

It is not a de Polignac number, because 1248875253 - 2² = 1248875249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1248875199 and 1248875208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248875653) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 37483 + ... + 62471.

It is an arithmetic number, because the mean of its divisors is an integer number (93435111).

Almost surely, 2^1248875253 is an apocalyptic number.

1248875253 is the 49977-th triangular number and also the 24989-th hexagonal number.

It is an amenable number.

1248875253 is a deficient number, since it is larger than the sum of its proper divisors (619826967).

1248875253 is an equidigital number, since it uses as much as digits as its factorization.

1248875253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25618 (or 25609 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 1248875253 is about 35339.4291549821. The cubic root of 1248875253 is about 1076.8941555343.

The spelling of 1248875253 in words is "one billion, two hundred forty-eight million, eight hundred seventy-five thousand, two hundred fifty-three".