1153871 has 2 divisors, whose sum is σ = 1153872. Its totient is φ = 1153870.

The previous prime is 1153853. The next prime is 1153891. The reversal of 1153871 is 1783511.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153871 is a prime.

It is a Chen prime.

It is a plaindrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 1153871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576935 + 576936.

It is an arithmetic number, because the mean of its divisors is an integer number (576936).

2^1153871 is an apocalyptic number.

1153871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153871 is an equidigital number, since it uses as much as digits as its factorization.

1153871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 26.

The square root of 1153871 is about 1074.1838762521. The cubic root of 1153871 is about 104.8863774691.

The spelling of 1153871 in words is "one million, one hundred fifty-three thousand, eight hundred seventy-one".