1121411 has 4 divisors (see below), whose sum is σ = 1170192. Its totient is φ = 1072632.

The previous prime is 1121389. The next prime is 1121423. The reversal of 1121411 is 1141211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1141211 = 67 ⋅17033.

It is a cyclic number.

It is not a de Polignac number, because 1121411 - 2⁶ = 1121347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121392 and 1121401.

It is not an unprimeable number, because it can be changed into a prime (1121431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24356 + ... + 24401.

It is an arithmetic number, because the mean of its divisors is an integer number (292548).

2^1121411 is an apocalyptic number.

1121411 is a deficient number, since it is larger than the sum of its proper divisors (48781).

1121411 is an equidigital number, since it uses as much as digits as its factorization.

1121411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48780.

The product of its digits is 8, while the sum is 11.

The square root of 1121411 is about 1058.9669494370. The cubic root of 1121411 is about 103.8934745048.

Adding to 1121411 its reverse (1141211), we get a palindrome (2262622).

The spelling of 1121411 in words is "one million, one hundred twenty-one thousand, four hundred eleven".