1248001299791 has 8 divisors (see below), whose sum is σ = 1294693163280. Its totient is φ = 1201553258752.

The previous prime is 1248001299751. The next prime is 1248001299793. The reversal of 1248001299791 is 1979921008421.

It is a happy number.

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 1248001299791 - 2²⁶ = 1247934190927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248001299793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60945185 + ... + 60965658.

It is an arithmetic number, because the mean of its divisors is an integer number (161836645410).

Almost surely, 2^{1248001299791} is an apocalyptic number.

1248001299791 is a deficient number, since it is larger than the sum of its proper divisors (46691863489).

1248001299791 is a wasteful number, since it uses less digits than its factorization.

1248001299791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121911225.

The product of its (nonzero) digits is 653184, while the sum is 53.

The spelling of 1248001299791 in words is "one trillion, two hundred forty-eight billion, one million, two hundred ninety-nine thousand, seven hundred ninety-one".