1208149 has 2 divisors, whose sum is σ = 1208150. Its totient is φ = 1208148.

The previous prime is 1208131. The next prime is 1208159. The reversal of 1208149 is 9418021.

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., 656100 + 552049 = 810^2 + 743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1208149 - 2⁵ = 1208117 is a prime.

It is equal to p₉₃₄₉₀ and since 1208149 and 93490 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1208159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604074 + 604075.

It is an arithmetic number, because the mean of its divisors is an integer number (604075).

2^1208149 is an apocalyptic number.

It is an amenable number.

1208149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208149 is an equidigital number, since it uses as much as digits as its factorization.

1208149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1208149 is about 1099.1583143478. The cubic root of 1208149 is about 106.5058590383.

The spelling of 1208149 in words is "one million, two hundred eight thousand, one hundred forty-nine".