1172126 has 16 divisors (see below), whose sum is σ = 1862784. Its totient is φ = 552024.

The previous prime is 1172111. The next prime is 1172147. The reversal of 1172126 is 6212711.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1172098 and 1172107.

It is a congruent number.

It is an unprimeable number.

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, 3665 + ... + 3971.

It is an arithmetic number, because the mean of its divisors is an integer number (116424).

2^1172126 is an apocalyptic number.

1172126 is a deficient number, since it is larger than the sum of its proper divisors (690658).

1172126 is a wasteful number, since it uses less digits than its factorization.

1172126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its digits is 168, while the sum is 20.

The square root of 1172126 is about 1082.6476804575. The cubic root of 1172126 is about 105.4366097933.

Adding to 1172126 its reverse (6212711), we get a palindrome (7384837).

The spelling of 1172126 in words is "one million, one hundred seventy-two thousand, one hundred twenty-six".