1361149 has 2 divisors, whose sum is σ = 1361150. Its totient is φ = 1361148.

The previous prime is 1361137. The next prime is 1361153. The reversal of 1361149 is 9411631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1338649 + 22500 = 1157^2 + 150^2 .

It is a cyclic number.

It is not a de Polignac number, because 1361149 - 2⁷ = 1361021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680574 + 680575.

It is an arithmetic number, because the mean of its divisors is an integer number (680575).

2^1361149 is an apocalyptic number.

It is an amenable number.

1361149 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361149 is an equidigital number, since it uses as much as digits as its factorization.

1361149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 25.

The square root of 1361149 is about 1166.6829046489. The cubic root of 1361149 is about 110.8243576628.

The spelling of 1361149 in words is "one million, three hundred sixty-one thousand, one hundred forty-nine".