1126945 has 8 divisors (see below), whose sum is σ = 1359144. Its totient is φ = 897024.

The previous prime is 1126897. The next prime is 1126963. The reversal of 1126945 is 5496211.

It can be written as a sum of positive squares in 4 ways, for example, as 625681 + 501264 = 791^2 + 708^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126945 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847 + ... + 1723.

It is an arithmetic number, because the mean of its divisors is an integer number (169893).

2^1126945 is an apocalyptic number.

It is an amenable number.

1126945 is a deficient number, since it is larger than the sum of its proper divisors (232199).

1126945 is an equidigital number, since it uses as much as digits as its factorization.

1126945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139.

The product of its digits is 2160, while the sum is 28.

The square root of 1126945 is about 1061.5766576183. The cubic root of 1126945 is about 104.0640938743.

The spelling of 1126945 in words is "one million, one hundred twenty-six thousand, nine hundred forty-five".