1268131 has 8 divisors (see below), whose sum is σ = 1314144. Its totient is φ = 1223040.

The previous prime is 1268119. The next prime is 1268143. The reversal of 1268131 is 1318621.

It is an interprime number because it is at equal distance from previous prime (1268119) and next prime (1268143).

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 1268131 - 2¹³ = 1259939 is a prime.

It is a super-2 number, since 2×1268131² = 3216312466322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1268731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3595 + ... + 3931.

It is an arithmetic number, because the mean of its divisors is an integer number (164268).

2^1268131 is an apocalyptic number.

1268131 is a deficient number, since it is larger than the sum of its proper divisors (46013).

1268131 is an equidigital number, since it uses as much as digits as its factorization.

1268131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461.

The product of its digits is 288, while the sum is 22.

The square root of 1268131 is about 1126.1132269892. The cubic root of 1268131 is about 108.2400638385.

The spelling of 1268131 in words is "one million, two hundred sixty-eight thousand, one hundred thirty-one".