1268947 has 2 divisors, whose sum is σ = 1268948. Its totient is φ = 1268946.

The previous prime is 1268929. The next prime is 1268963. The reversal of 1268947 is 7498621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1268947 - 2¹¹ = 1266899 is a prime.

It is a super-2 number, since 2×1268947² = 3220452977618, which contains 22 as substring.

It is an Ulam number.

1268947 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1268147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634473 + 634474.

It is an arithmetic number, because the mean of its divisors is an integer number (634474).

2^1268947 is an apocalyptic number.

1268947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1268947 is an equidigital number, since it uses as much as digits as its factorization.

1268947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The square root of 1268947 is about 1126.4754768747. The cubic root of 1268947 is about 108.2632751509.

The spelling of 1268947 in words is "one million, two hundred sixty-eight thousand, nine hundred forty-seven".