1211057 has 2 divisors, whose sum is σ = 1211058. Its totient is φ = 1211056.

The previous prime is 1211051. The next prime is 1211059. The reversal of 1211057 is 7501121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1132096 + 78961 = 1064^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 1211057 - 2⁸ = 1210801 is a prime.

Together with 1211059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1211051) 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, 605528 + 605529.

It is an arithmetic number, because the mean of its divisors is an integer number (605529).

2^1211057 is an apocalyptic number.

It is an amenable number.

1211057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1211057 is an equidigital number, since it uses as much as digits as its factorization.

1211057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 1211057 is about 1100.4803496655. The cubic root of 1211057 is about 106.5912433392.

Adding to 1211057 its reverse (7501121), we get a palindrome (8712178).

Subtracting 1211057 from its reverse (7501121), we obtain a square (6290064 = 2508²).

It can be divided in two parts, 12110 and 57, that added together give a cube (12167 = 23³).

The spelling of 1211057 in words is "one million, two hundred eleven thousand, fifty-seven".