1149151 has 2 divisors, whose sum is σ = 1149152. Its totient is φ = 1149150.

The previous prime is 1149131. The next prime is 1149157. The reversal of 1149151 is 1519411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1149151 - 2¹¹ = 1147103 is a prime.

It is a Chen prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1149157) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574575 + 574576.

It is an arithmetic number, because the mean of its divisors is an integer number (574576).

2^1149151 is an apocalyptic number.

1149151 is a deficient number, since it is larger than the sum of its proper divisors (1).

1149151 is an equidigital number, since it uses as much as digits as its factorization.

1149151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 180, while the sum is 22.

The square root of 1149151 is about 1071.9846080985. The cubic root of 1149151 is about 104.7431666965.

The spelling of 1149151 in words is "one million, one hundred forty-nine thousand, one hundred fifty-one".