1126799144 has 8 divisors (see below), whose sum is σ = 2112748410. Its totient is φ = 563399568.

The previous prime is 1126799111. The next prime is 1126799203. The reversal of 1126799144 is 4419976211.

It can be written as a sum of positive squares in only one way, i.e., 954192100 + 172607044 = 30890^2 + 13138^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1126799095 and 1126799104.

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 as a sum of consecutive naturals, namely, 70424939 + ... + 70424954.

Almost surely, 2^1126799144 is an apocalyptic number.

It is an amenable number.

1126799144 is a deficient number, since it is larger than the sum of its proper divisors (985949266).

1126799144 is a wasteful number, since it uses less digits than its factorization.

1126799144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140849899 (or 140849895 counting only the distinct ones).

The product of its digits is 108864, while the sum is 44.

The square root of 1126799144 is about 33567.8290033776. The cubic root of 1126799144 is about 1040.5960414695.

The spelling of 1126799144 in words is "one billion, one hundred twenty-six million, seven hundred ninety-nine thousand, one hundred forty-four".