1248242353 has 4 divisors (see below), whose sum is σ = 1249575460. Its totient is φ = 1246909248.

The previous prime is 1248242339. The next prime is 1248242371. The reversal of 1248242353 is 3532428421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3532428421 = 233 ⋅15160637.

It can be written as a sum of positive squares in 2 ways, for example, as 188870049 + 1059372304 = 13743^2 + 32548^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248242353 - 2¹⁷ = 1248111281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1248242383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665148 + ... + 667021.

It is an arithmetic number, because the mean of its divisors is an integer number (312393865).

Almost surely, 2^1248242353 is an apocalyptic number.

It is an amenable number.

1248242353 is a deficient number, since it is larger than the sum of its proper divisors (1333107).

1248242353 is an equidigital number, since it uses as much as digits as its factorization.

1248242353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333106.

The product of its digits is 46080, while the sum is 34.

The square root of 1248242353 is about 35330.4734330011. The cubic root of 1248242353 is about 1076.7122100929.

The spelling of 1248242353 in words is "one billion, two hundred forty-eight million, two hundred forty-two thousand, three hundred fifty-three".