1248563361 has 8 divisors (see below), whose sum is σ = 1722156480. Its totient is φ = 803672912.

The previous prime is 1248563357. The next prime is 1248563389. The reversal of 1248563361 is 1633658421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1248563361 - 2² = 1248563357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1248563461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7175565 + ... + 7175738.

It is an arithmetic number, because the mean of its divisors is an integer number (215269560).

Almost surely, 2^1248563361 is an apocalyptic number.

It is an amenable number.

1248563361 is a deficient number, since it is larger than the sum of its proper divisors (473593119).

1248563361 is a wasteful number, since it uses less digits than its factorization.

1248563361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14351335.

The product of its digits is 103680, while the sum is 39.

The square root of 1248563361 is about 35335.0160747098. The cubic root of 1248563361 is about 1076.8045008269.

The spelling of 1248563361 in words is "one billion, two hundred forty-eight million, five hundred sixty-three thousand, three hundred sixty-one".