1256467 has 4 divisors (see below), whose sum is σ = 1311120. Its totient is φ = 1201816.

The previous prime is 1256449. The next prime is 1256477. The reversal of 1256467 is 7646521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7646521 = 257 ⋅29753.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1256467 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 not an unprimeable number, because it can be changed into a prime (1256407) 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, 27292 + ... + 27337.

It is an arithmetic number, because the mean of its divisors is an integer number (327780).

2^1256467 is an apocalyptic number.

1256467 is a deficient number, since it is larger than the sum of its proper divisors (54653).

1256467 is an equidigital number, since it uses as much as digits as its factorization.

1256467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54652.

The product of its digits is 10080, while the sum is 31.

The square root of 1256467 is about 1120.9223880359. The cubic root of 1256467 is about 107.9071847750.

The spelling of 1256467 in words is "one million, two hundred fifty-six thousand, four hundred sixty-seven".