1122571 has 2 divisors, whose sum is σ = 1122572. Its totient is φ = 1122570.

The previous prime is 1122551. The next prime is 1122587. The reversal of 1122571 is 1752211.

It is a strong prime.

It is an emirp because it is prime and its reverse (1752211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122571 - 2¹⁷ = 991499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1122551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561285 + 561286.

It is an arithmetic number, because the mean of its divisors is an integer number (561286).

2^1122571 is an apocalyptic number.

1122571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122571 is an equidigital number, since it uses as much as digits as its factorization.

1122571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 140, while the sum is 19.

The square root of 1122571 is about 1059.5145114627. The cubic root of 1122571 is about 103.9292850149.

Adding to 1122571 its reverse (1752211), we get a palindrome (2874782).

The spelling of 1122571 in words is "one million, one hundred twenty-two thousand, five hundred seventy-one".