1126274649 has 16 divisors (see below), whose sum is σ = 1567767552. Its totient is φ = 717848208.

The previous prime is 1126274579. The next prime is 1126274651. The reversal of 1126274649 is 9464726211.

It is not a de Polignac number, because 1126274649 - 2¹¹ = 1126272601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1126274649.

It is not an unprimeable number, because it can be changed into a prime (1126274449) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 263322 + ... + 267564.

It is an arithmetic number, because the mean of its divisors is an integer number (97985472).

Almost surely, 2^1126274649 is an apocalyptic number.

It is an amenable number.

1126274649 is a deficient number, since it is larger than the sum of its proper divisors (441492903).

1126274649 is a wasteful number, since it uses less digits than its factorization.

1126274649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116.

The product of its digits is 145152, while the sum is 42.

The square root of 1126274649 is about 33560.0156287210. The cubic root of 1126274649 is about 1040.4345598281.

The spelling of 1126274649 in words is "one billion, one hundred twenty-six million, two hundred seventy-four thousand, six hundred forty-nine".