1349149 has 2 divisors, whose sum is σ = 1349150. Its totient is φ = 1349148.

The previous prime is 1349147. The next prime is 1349177. The reversal of 1349149 is 9419431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1249924 + 99225 = 1118^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349149 - 2¹ = 1349147 is a prime.

Together with 1349147, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1349149.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1349143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674574 + 674575.

It is an arithmetic number, because the mean of its divisors is an integer number (674575).

2^1349149 is an apocalyptic number.

It is an amenable number.

1349149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349149 is an equidigital number, since it uses as much as digits as its factorization.

1349149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 1349149 is about 1161.5287340398. The cubic root of 1349149 is about 110.4977170348.

The spelling of 1349149 in words is "one million, three hundred forty-nine thousand, one hundred forty-nine".