1268375869 has 8 divisors (see below), whose sum is σ = 1274232960. Its totient is φ = 1262530800.

The previous prime is 1268375851. The next prime is 1268375957. The reversal of 1268375869 is 9685738621.

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 1268375869 - 2⁷ = 1268375741 is a prime.

It is a super-2 number, since 2×1268375869² = 3217554690123010322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268375369) 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, 258499 + ... + 263359.

It is an arithmetic number, because the mean of its divisors is an integer number (159279120).

Almost surely, 2^1268375869 is an apocalyptic number.

It is an amenable number.

1268375869 is a deficient number, since it is larger than the sum of its proper divisors (5857091).

1268375869 is an equidigital number, since it uses as much as digits as its factorization.

1268375869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6011.

The product of its digits is 4354560, while the sum is 55.

The square root of 1268375869 is about 35614.2649650389. The cubic root of 1268375869 is about 1082.4703024031.

The spelling of 1268375869 in words is "one billion, two hundred sixty-eight million, three hundred seventy-five thousand, eight hundred sixty-nine".