1123670 has 16 divisors (see below), whose sum is σ = 2034720. Its totient is φ = 446784.

The previous prime is 1123669. The next prime is 1123691. The reversal of 1123670 is 763211.

It is a happy number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2951 + ... + 3309.

It is an arithmetic number, because the mean of its divisors is an integer number (127170).

2^1123670 is an apocalyptic number.

1123670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123670 is a deficient number, since it is larger than the sum of its proper divisors (911050).

1123670 is a wasteful number, since it uses less digits than its factorization.

1123670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 1123670 is about 1060.0330183537. The cubic root of 1123670 is about 103.9631896354.

Adding to 1123670 its reverse (763211), we get a palindrome (1886881).

The spelling of 1123670 in words is "one million, one hundred twenty-three thousand, six hundred seventy".