1122575 has 12 divisors (see below), whose sum is σ = 1411368. Its totient is φ = 885600.

The previous prime is 1122571. The next prime is 1122587. The reversal of 1122575 is 5752211.

It is a happy number.

It is not a de Polignac number, because 1122575 - 2² = 1122571 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122575.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1805 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (117614).

2^1122575 is an apocalyptic number.

1122575 is a deficient number, since it is larger than the sum of its proper divisors (288793).

1122575 is an equidigital number, since it uses as much as digits as its factorization.

1122575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 629 counting only the distinct ones).

The product of its digits is 700, while the sum is 23.

The square root of 1122575 is about 1059.5163991180. The cubic root of 1122575 is about 103.9294084567.

Adding to 1122575 its reverse (5752211), we get a palindrome (6874786).

The spelling of 1122575 in words is "one million, one hundred twenty-two thousand, five hundred seventy-five".