1211701 has 2 divisors, whose sum is σ = 1211702. Its totient is φ = 1211700.

The previous prime is 1211689. The next prime is 1211719. The reversal of 1211701 is 1071121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 181476 = 1015^2 + 426^2 .

It is an emirp because it is prime and its reverse (1071121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1211701 - 2⁵ = 1211669 is a prime.

It is a Chen prime.

1211701 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1211731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605850 + 605851.

It is an arithmetic number, because the mean of its divisors is an integer number (605851).

2^1211701 is an apocalyptic number.

It is an amenable number.

1211701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211701 is an equidigital number, since it uses as much as digits as its factorization.

1211701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 1211701 is about 1100.7729102771. The cubic root of 1211701 is about 106.6101338887.

Adding to 1211701 its reverse (1071121), we get a palindrome (2282822).

The spelling of 1211701 in words is "one million, two hundred eleven thousand, seven hundred one".