1391701 has 2 divisors, whose sum is σ = 1391702. Its totient is φ = 1391700.

The previous prime is 1391669. The next prime is 1391713. The reversal of 1391701 is 1071931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 22801 = 1170^2 + 151^2 .

It is a cyclic number.

It is not a de Polignac number, because 1391701 - 2⁵ = 1391669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1392701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695850 + 695851.

It is an arithmetic number, because the mean of its divisors is an integer number (695851).

2^1391701 is an apocalyptic number.

It is an amenable number.

1391701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1391701 is an equidigital number, since it uses as much as digits as its factorization.

1391701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1391701 is about 1179.7037763778. The cubic root of 1391701 is about 111.6474083766.

The spelling of 1391701 in words is "one million, three hundred ninety-one thousand, seven hundred one".