1123715 has 4 divisors (see below), whose sum is σ = 1348464. Its totient is φ = 898968.

The previous prime is 1123709. The next prime is 1123729. The reversal of 1123715 is 5173211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1123715 - 2⁴ = 1123699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112367 + ... + 112376.

It is an arithmetic number, because the mean of its divisors is an integer number (337116).

2^1123715 is an apocalyptic number.

1123715 is a deficient number, since it is larger than the sum of its proper divisors (224749).

1123715 is an equidigital number, since it uses as much as digits as its factorization.

1123715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224748.

The product of its digits is 210, while the sum is 20.

The square root of 1123715 is about 1060.0542438951. The cubic root of 1123715 is about 103.9645774334.

Adding to 1123715 its reverse (5173211), we get a palindrome (6296926).

The spelling of 1123715 in words is "one million, one hundred twenty-three thousand, seven hundred fifteen".