1153849 has 2 divisors, whose sum is σ = 1153850. Its totient is φ = 1153848.

The previous prime is 1153811. The next prime is 1153853. The reversal of 1153849 is 9483511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140624 + 13225 = 1068^2 + 115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153849 - 2⁷ = 1153721 is a prime.

It is an Ulam number.

1153849 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1153849.

It is not a weakly prime, because it can be changed into another prime (1153049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576924 + 576925.

It is an arithmetic number, because the mean of its divisors is an integer number (576925).

2^1153849 is an apocalyptic number.

It is an amenable number.

1153849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153849 is an equidigital number, since it uses as much as digits as its factorization.

1153849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 1153849 is about 1074.1736358708. The cubic root of 1153849 is about 104.8857108681.

It can be divided in two parts, 1153 and 849, that added together give a palindrome (2002).

The spelling of 1153849 in words is "one million, one hundred fifty-three thousand, eight hundred forty-nine".