1123617 has 16 divisors (see below), whose sum is σ = 1658880. Its totient is φ = 670800.

The previous prime is 1123601. The next prime is 1123621. The reversal of 1123617 is 7163211.

It is not a de Polignac number, because 1123617 - 2⁴ = 1123601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1123593 and 1123602.

It is not an unprimeable number, because it can be changed into a prime (1123637) 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 in 15 ways as a sum of consecutive naturals, for example, 2392 + ... + 2822.

It is an arithmetic number, because the mean of its divisors is an integer number (103680).

2^1123617 is an apocalyptic number.

It is an amenable number.

1123617 is a deficient number, since it is larger than the sum of its proper divisors (535263).

1123617 is a wasteful number, since it uses less digits than its factorization.

1123617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524.

The product of its digits is 252, while the sum is 21.

The square root of 1123617 is about 1060.0080188376. The cubic root of 1123617 is about 103.9615550702.

Adding to 1123617 its reverse (7163211), we get a palindrome (8286828).

The spelling of 1123617 in words is "one million, one hundred twenty-three thousand, six hundred seventeen".