1235149 has 2 divisors, whose sum is σ = 1235150. Its totient is φ = 1235148.

The previous prime is 1235141. The next prime is 1235159. The reversal of 1235149 is 9415321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1155625 + 79524 = 1075^2 + 282^2 .

It is a cyclic number.

It is not a de Polignac number, because 1235149 - 2³ = 1235141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1235141) 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, 617574 + 617575.

It is an arithmetic number, because the mean of its divisors is an integer number (617575).

2^1235149 is an apocalyptic number.

It is an amenable number.

1235149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235149 is an equidigital number, since it uses as much as digits as its factorization.

1235149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 25.

The square root of 1235149 is about 1111.3725747921. The cubic root of 1235149 is about 107.2934269901.

The spelling of 1235149 in words is "one million, two hundred thirty-five thousand, one hundred forty-nine".