1211126 has 8 divisors (see below), whose sum is σ = 2076240. Its totient is φ = 519048.

The previous prime is 1211087. The next prime is 1211141. The reversal of 1211126 is 6211121.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 86509 = 1211126 / (1 + 2 + 1 + 1 + 1 + 2 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 1211126.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43241 + ... + 43268.

It is an arithmetic number, because the mean of its divisors is an integer number (259530).

2^1211126 is an apocalyptic number.

1211126 is a deficient number, since it is larger than the sum of its proper divisors (865114).

1211126 is an equidigital number, since it uses as much as digits as its factorization.

1211126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86518.

The product of its digits is 24, while the sum is 14.

The square root of 1211126 is about 1100.5116991654. The cubic root of 1211126 is about 106.5932676469.

Adding to 1211126 its reverse (6211121), we get a palindrome (7422247).

The spelling of 1211126 in words is "one million, two hundred eleven thousand, one hundred twenty-six".