1246867 has 2 divisors, whose sum is σ = 1246868. Its totient is φ = 1246866.

The previous prime is 1246841. The next prime is 1246879. The reversal of 1246867 is 7686421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1246867 - 2¹¹ = 1244819 is a prime.

1246867 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1246367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623433 + 623434.

It is an arithmetic number, because the mean of its divisors is an integer number (623434).

2^1246867 is an apocalyptic number.

1246867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246867 is an equidigital number, since it uses as much as digits as its factorization.

1246867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 1246867 is about 1116.6319895113. The cubic root of 1246867 is about 107.6316612880.

The spelling of 1246867 in words is "one million, two hundred forty-six thousand, eight hundred sixty-seven".