1290167 has 2 divisors, whose sum is σ = 1290168. Its totient is φ = 1290166.

The previous prime is 1290161. The next prime is 1290169. The reversal of 1290167 is 7610921.

It is a strong prime.

It is an emirp because it is prime and its reverse (7610921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1290167 - 2⁴ = 1290151 is a prime.

Together with 1290169, it forms a pair of twin primes.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1290161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645083 + 645084.

It is an arithmetic number, because the mean of its divisors is an integer number (645084).

2^1290167 is an apocalyptic number.

1290167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290167 is an equidigital number, since it uses as much as digits as its factorization.

1290167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 1290167 is about 1135.8551844315. The cubic root of 1290167 is about 108.8634206637.

The spelling of 1290167 in words is "one million, two hundred ninety thousand, one hundred sixty-seven".