1248748751247 has 8 divisors (see below), whose sum is σ = 1673365161600. Its totient is φ = 828315754200.

The previous prime is 1248748751227. The next prime is 1248748751309. The reversal of 1248748751247 is 7421578478421.

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

It is not a de Polignac number, because 1248748751247 - 2²⁴ = 1248731974031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248748751227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1045852629 + ... + 1045853822.

It is an arithmetic number, because the mean of its divisors is an integer number (209170645200).

Almost surely, 2^{1248748751247} is an apocalyptic number.

1248748751247 is a deficient number, since it is larger than the sum of its proper divisors (424616410353).

1248748751247 is a wasteful number, since it uses less digits than its factorization.

1248748751247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091706653.

The product of its digits is 28098560, while the sum is 60.

The spelling of 1248748751247 in words is "one trillion, two hundred forty-eight billion, seven hundred forty-eight million, seven hundred fifty-one thousand, two hundred forty-seven".