1201711 has 4 divisors (see below), whose sum is σ = 1373392. Its totient is φ = 1030032.

The previous prime is 1201709. The next prime is 1201729. The reversal of 1201711 is 1171021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1171021 = 191 ⋅6131.

It is a cyclic number.

It is not a de Polignac number, because 1201711 - 2¹ = 1201709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201691 and 1201700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201111) 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 in 3 ways as a sum of consecutive naturals, for example, 85830 + ... + 85843.

It is an arithmetic number, because the mean of its divisors is an integer number (343348).

2^1201711 is an apocalyptic number.

1201711 is a deficient number, since it is larger than the sum of its proper divisors (171681).

1201711 is an equidigital number, since it uses as much as digits as its factorization.

1201711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171680.

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

The square root of 1201711 is about 1096.2257979084. The cubic root of 1201711 is about 106.3163387333.

Adding to 1201711 its reverse (1171021), we get a palindrome (2372732).

The spelling of 1201711 in words is "one million, two hundred one thousand, seven hundred eleven".