1397041 has 2 divisors, whose sum is σ = 1397042. Its totient is φ = 1397040.

The previous prime is 1397029. The next prime is 1397057. The reversal of 1397041 is 1407931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 250000 = 1071^2 + 500^2 .

It is a cyclic number.

It is not a de Polignac number, because 1397041 - 2⁹ = 1396529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1396997 and 1397015.

It is not a weakly prime, because it can be changed into another prime (1397021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698520 + 698521.

It is an arithmetic number, because the mean of its divisors is an integer number (698521).

2^1397041 is an apocalyptic number.

It is an amenable number.

1397041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1397041 is an equidigital number, since it uses as much as digits as its factorization.

1397041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1397041 is about 1181.9648894955. The cubic root of 1397041 is about 111.7900243168.

The spelling of 1397041 in words is "one million, three hundred ninety-seven thousand, forty-one".