1351121 has 2 divisors, whose sum is σ = 1351122. Its totient is φ = 1351120.

The previous prime is 1351117. The next prime is 1351123. The reversal of 1351121 is 1211531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 96721 = 1120^2 + 311^2 .

It is an emirp because it is prime and its reverse (1211531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1351121 - 2² = 1351117 is a prime.

It is a Sophie Germain prime.

Together with 1351123, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1351096 and 1351105.

It is not a weakly prime, because it can be changed into another prime (1351123) 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, 675560 + 675561.

It is an arithmetic number, because the mean of its divisors is an integer number (675561).

2^1351121 is an apocalyptic number.

It is an amenable number.

1351121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351121 is an equidigital number, since it uses as much as digits as its factorization.

1351121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30, while the sum is 14.

The square root of 1351121 is about 1162.3773053531. The cubic root of 1351121 is about 110.5515276018.

Adding to 1351121 its reverse (1211531), we get a palindrome (2562652).

The spelling of 1351121 in words is "one million, three hundred fifty-one thousand, one hundred twenty-one".