1268467305 has 16 divisors (see below), whose sum is σ = 2319483264. Its totient is φ = 579870720.

The previous prime is 1268467301. The next prime is 1268467309. The reversal of 1268467305 is 5037648621.

It is an interprime number because it is at equal distance from previous prime (1268467301) and next prime (1268467309).

It is not a de Polignac number, because 1268467305 - 2² = 1268467301 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1268467301) 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, 6040216 + ... + 6040425.

It is an arithmetic number, because the mean of its divisors is an integer number (144967704).

Almost surely, 2^1268467305 is an apocalyptic number.

1268467305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1268467305 is a deficient number, since it is larger than the sum of its proper divisors (1051015959).

1268467305 is a wasteful number, since it uses less digits than its factorization.

1268467305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080656.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 1268467305 is about 35615.5486410079. The cubic root of 1268467305 is about 1082.4963131934.

The spelling of 1268467305 in words is "one billion, two hundred sixty-eight million, four hundred sixty-seven thousand, three hundred five".