1268380747 has 8 divisors (see below), whose sum is σ = 1345226400. Its totient is φ = 1193343360.

The previous prime is 1268380723. The next prime is 1268380781. The reversal of 1268380747 is 7470838621.

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 1268380747 - 2¹⁵ = 1268347979 is a prime.

It is a super-4 number, since 4×1268380747⁴ (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1268380697 and 1268380706.

It is not an unprimeable number, because it can be changed into a prime (1268383747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450622 + ... + 453427.

It is an arithmetic number, because the mean of its divisors is an integer number (168153300).

Almost surely, 2^1268380747 is an apocalyptic number.

1268380747 is a deficient number, since it is larger than the sum of its proper divisors (76845653).

1268380747 is an equidigital number, since it uses as much as digits as its factorization.

1268380747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904133.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 1268380747 is about 35614.3334487675. Note that the first 3 decimals coincide. The cubic root of 1268380747 is about 1082.4716900788.

It can be divided in two parts, 12683 and 80747, that multiplied together give a palindrome (1024114201).

The spelling of 1268380747 in words is "one billion, two hundred sixty-eight million, three hundred eighty thousand, seven hundred forty-seven".