1134421 has 2 divisors, whose sum is σ = 1134422. Its totient is φ = 1134420.

The previous prime is 1134403. The next prime is 1134437. The reversal of 1134421 is 1244311.

It is an a-pointer prime, because the next prime (1134437) can be obtained adding 1134421 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 196 = 1065^2 + 14^2 .

It is a cyclic number.

It is not a de Polignac number, because 1134421 - 2⁵ = 1134389 is a prime.

It is a super-2 number, since 2×1134421² = 2573822010482, which contains 22 as substring.

1134421 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1134395 and 1134404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1134481) 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, 567210 + 567211.

It is an arithmetic number, because the mean of its divisors is an integer number (567211).

2^1134421 is an apocalyptic number.

It is an amenable number.

1134421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1134421 is an equidigital number, since it uses as much as digits as its factorization.

1134421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96, while the sum is 16.

The square root of 1134421 is about 1065.0920148044. The cubic root of 1134421 is about 104.2937025755.

Adding to 1134421 its reverse (1244311), we get a palindrome (2378732).

The spelling of 1134421 in words is "one million, one hundred thirty-four thousand, four hundred twenty-one".