1267426 has 8 divisors (see below), whose sum is σ = 1927404. Its totient is φ = 624960.

The previous prime is 1267411. The next prime is 1267429. The reversal of 1267426 is 6247621.

It can be written as a sum of positive squares in 2 ways, for example, as 1212201 + 55225 = 1101^2 + 235^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1267394 and 1267403.

It is not an unprimeable number, because it can be changed into a prime (1267429) 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 3 ways as a sum of consecutive naturals, for example, 4195 + ... + 4486.

2^1267426 is an apocalyptic number.

1267426 is a deficient number, since it is larger than the sum of its proper divisors (659978).

1267426 is an equidigital number, since it uses as much as digits as its factorization.

1267426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8756.

The product of its digits is 4032, while the sum is 28.

The square root of 1267426 is about 1125.8001598863. The cubic root of 1267426 is about 108.2200019283.

The spelling of 1267426 in words is "one million, two hundred sixty-seven thousand, four hundred twenty-six".