1112345 has 16 divisors (see below), whose sum is σ = 1459920. Its totient is φ = 808704.

The previous prime is 1112341. The next prime is 1112351. The reversal of 1112345 is 5432111.

It can be written as a sum of positive squares in 8 ways, for example, as 80089 + 1032256 = 283^2 + 1016^2 .

It is not a de Polignac number, because 1112345 - 2² = 1112341 is a prime.

It is a super-2 number, since 2×1112345² = 2474622798050, which contains 22 as substring.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1112341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7007 + ... + 7163.

It is an arithmetic number, because the mean of its divisors is an integer number (91245).

2^1112345 is an apocalyptic number.

It is an amenable number.

1112345 is a deficient number, since it is larger than the sum of its proper divisors (347575).

1112345 is a wasteful number, since it uses less digits than its factorization.

1112345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284.

The product of its digits is 120, while the sum is 17.

The square root of 1112345 is about 1054.6776758802. The cubic root of 1112345 is about 103.6127424784.

Adding to 1112345 its reverse (5432111), we get a palindrome (6544456).

The spelling of 1112345 in words is "one million, one hundred twelve thousand, three hundred forty-five".