1148291 has 2 divisors, whose sum is σ = 1148292. Its totient is φ = 1148290.

The previous prime is 1148263. The next prime is 1148293. The reversal of 1148291 is 1928411.

It is a strong prime.

It is an emirp because it is prime and its reverse (1928411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1148291 is a prime.

Together with 1148293, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₉₁₈₀ and since 1148291 and 89180 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1148291.

It is not a weakly prime, because it can be changed into another prime (1148293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574145 + 574146.

It is an arithmetic number, because the mean of its divisors is an integer number (574146).

2^1148291 is an apocalyptic number.

1148291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148291 is an equidigital number, since it uses as much as digits as its factorization.

1148291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 26.

The square root of 1148291 is about 1071.5834078596. The cubic root of 1148291 is about 104.7170309947.

The spelling of 1148291 in words is "one million, one hundred forty-eight thousand, two hundred ninety-one".