1254091 has 2 divisors, whose sum is σ = 1254092. Its totient is φ = 1254090.

The previous prime is 1254079. The next prime is 1254109. The reversal of 1254091 is 1904521.

Together with next prime (1254109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (1904521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1254091 - 2⁵ = 1254059 is a prime.

It is a Chen prime.

1254091 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1254031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627045 + 627046.

It is an arithmetic number, because the mean of its divisors is an integer number (627046).

2^1254091 is an apocalyptic number.

1254091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254091 is an equidigital number, since it uses as much as digits as its factorization.

1254091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 1254091 is about 1119.8620450752. The cubic root of 1254091 is about 107.8391237616.

The spelling of 1254091 in words is "one million, two hundred fifty-four thousand, ninety-one".