1268717401 has 8 divisors (see below), whose sum is σ = 1455741504. Its totient is φ = 1083138000.

The previous prime is 1268717393. The next prime is 1268717413. The reversal of 1268717401 is 1047178621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1268717401 - 2³ = 1268717393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1268717431) 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, 359290 + ... + 362803.

It is an arithmetic number, because the mean of its divisors is an integer number (181967688).

Almost surely, 2^1268717401 is an apocalyptic number.

It is an amenable number.

1268717401 is a deficient number, since it is larger than the sum of its proper divisors (187024103).

1268717401 is an equidigital number, since it uses as much as digits as its factorization.

1268717401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722351.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 1268717401 is about 35619.0595187464. The cubic root of 1268717401 is about 1082.5674515943.

The spelling of 1268717401 in words is "one billion, two hundred sixty-eight million, seven hundred seventeen thousand, four hundred one".