1123507 has 8 divisors (see below), whose sum is σ = 1400832. Its totient is φ = 875400.

The previous prime is 1123501. The next prime is 1123511. The reversal of 1123507 is 7053211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123507 - 2⁷ = 1123379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7219 + ... + 7372.

It is an arithmetic number, because the mean of its divisors is an integer number (175104).

2^1123507 is an apocalyptic number.

1123507 is a deficient number, since it is larger than the sum of its proper divisors (277325).

1123507 is a wasteful number, since it uses less digits than its factorization.

1123507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14609.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1123507 is about 1059.9561311677. The cubic root of 1123507 is about 103.9581624123.

Adding to 1123507 its reverse (7053211), we get a palindrome (8176718).

The spelling of 1123507 in words is "one million, one hundred twenty-three thousand, five hundred seven".