1123707 has 8 divisors (see below), whose sum is σ = 1613584. Its totient is φ = 691488.

The previous prime is 1123699. The next prime is 1123709. The reversal of 1123707 is 7073211.

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

It is not a de Polignac number, because 1123707 - 2³ = 1123699 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1123709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14368 + ... + 14445.

It is an arithmetic number, because the mean of its divisors is an integer number (201698).

2^1123707 is an apocalyptic number.

1123707 is a deficient number, since it is larger than the sum of its proper divisors (489877).

1123707 is a wasteful number, since it uses less digits than its factorization.

1123707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28829.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 1123707 is about 1060.0504704966. The cubic root of 1123707 is about 103.9643307165.

Adding to 1123707 its reverse (7073211), we get a palindrome (8196918).

It can be divided in two parts, 1123 and 707, that added together give a triangular number (1830 = T₆₀).

The spelling of 1123707 in words is "one million, one hundred twenty-three thousand, seven hundred seven".