1128349 has 2 divisors, whose sum is σ = 1128350. Its totient is φ = 1128348.

The previous prime is 1128313. The next prime is 1128371. The reversal of 1128349 is 9438211.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 964324 + 164025 = 982^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128349 - 2⁹ = 1127837 is a 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 (1128949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564174 + 564175.

It is an arithmetic number, because the mean of its divisors is an integer number (564175).

2^1128349 is an apocalyptic number.

It is an amenable number.

1128349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128349 is an equidigital number, since it uses as much as digits as its factorization.

1128349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 1128349 is about 1062.2377323368. The cubic root of 1128349 is about 104.1072918874.

The spelling of 1128349 in words is "one million, one hundred twenty-eight thousand, three hundred forty-nine".