1248748751249 has 8 divisors (see below), whose sum is σ = 1350336572928. Its totient is φ = 1150286708800.

The previous prime is 1248748751227. The next prime is 1248748751309. The reversal of 1248748751249 is 9421578478421.

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 1248748751249 - 2¹⁶ = 1248748685713 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1248748751191 and 1248748751200.

It is not an unprimeable number, because it can be changed into a prime (1248748751209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 781443977 + ... + 781445574.

It is an arithmetic number, because the mean of its divisors is an integer number (168792071616).

Almost surely, 2^{1248748751249} is an apocalyptic number.

It is an amenable number.

1248748751249 is a deficient number, since it is larger than the sum of its proper divisors (101587821679).

1248748751249 is a wasteful number, since it uses less digits than its factorization.

1248748751249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562889615.

The product of its digits is 36126720, while the sum is 62.

The spelling of 1248748751249 in words is "one trillion, two hundred forty-eight billion, seven hundred forty-eight million, seven hundred fifty-one thousand, two hundred forty-nine".