1112569 has 2 divisors, whose sum is σ = 1112570. Its totient is φ = 1112568.

The previous prime is 1112567. The next prime is 1112581. The reversal of 1112569 is 9652111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 921600 + 190969 = 960^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112569 - 2¹ = 1112567 is a prime.

It is a super-2 number, since 2×1112569² = 2475619559522, which contains 22 as substring.

Together with 1112567, it forms a pair of twin primes.

It is an Ulam number.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1112561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556284 + 556285.

It is an arithmetic number, because the mean of its divisors is an integer number (556285).

2^1112569 is an apocalyptic number.

It is an amenable number.

1112569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112569 is an equidigital number, since it uses as much as digits as its factorization.

1112569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 25.

The square root of 1112569 is about 1054.7838641162. The cubic root of 1112569 is about 103.6196970643.

It can be divided in two parts, 1112 and 569, that added together give a square (1681 = 41²).

The spelling of 1112569 in words is "one million, one hundred twelve thousand, five hundred sixty-nine".