1126651 has 4 divisors (see below), whose sum is σ = 1139400. Its totient is φ = 1113904.

The previous prime is 1126649. The next prime is 1126661. The reversal of 1126651 is 1566211.

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 1126651 - 2¹ = 1126649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126661) 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 3 ways as a sum of consecutive naturals, for example, 6241 + ... + 6418.

It is an arithmetic number, because the mean of its divisors is an integer number (284850).

2^1126651 is an apocalyptic number.

1126651 is a deficient number, since it is larger than the sum of its proper divisors (12749).

1126651 is an equidigital number, since it uses as much as digits as its factorization.

1126651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12748.

The product of its digits is 360, while the sum is 22.

The square root of 1126651 is about 1061.4381753074. The cubic root of 1126651 is about 104.0550435940.

It can be divided in two parts, 11 and 26651, that added together give a palindrome (26662).

The spelling of 1126651 in words is "one million, one hundred twenty-six thousand, six hundred fifty-one".