1268851 has 4 divisors (see below), whose sum is σ = 1274400. Its totient is φ = 1263304.

The previous prime is 1268849. The next prime is 1268867. The reversal of 1268851 is 1588621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1588621 = 1019 ⋅1559.

It is a cyclic number.

It is not a de Polignac number, because 1268851 - 2¹ = 1268849 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2416 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (318600).

2^1268851 is an apocalyptic number.

1268851 is a deficient number, since it is larger than the sum of its proper divisors (5549).

1268851 is an equidigital number, since it uses as much as digits as its factorization.

1268851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5548.

The product of its digits is 3840, while the sum is 31.

The square root of 1268851 is about 1126.4328652876. The cubic root of 1268851 is about 108.2605449248.

The spelling of 1268851 in words is "one million, two hundred sixty-eight thousand, eight hundred fifty-one".