1248034779049 has 16 divisors (see below), whose sum is σ = 1266244080192. Its totient is φ = 1229903048448.

The previous prime is 1248034779029. The next prime is 1248034779083. The reversal of 1248034779049 is 9409774308421.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1248034779049 - 2⁹ = 1248034778537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1248034778984 and 1248034779002.

It is not an unprimeable number, because it can be changed into a prime (1248034779029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160970557 + ... + 160978309.

It is an arithmetic number, because the mean of its divisors is an integer number (79140255012).

Almost surely, 2^{1248034779049} is an apocalyptic number.

It is an amenable number.

1248034779049 is a deficient number, since it is larger than the sum of its proper divisors (18209301143).

1248034779049 is an equidigital number, since it uses as much as digits as its factorization.

1248034779049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12456.

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 1248034779049 in words is "one trillion, two hundred forty-eight billion, thirty-four million, seven hundred seventy-nine thousand, forty-nine".