1126880644 has 6 divisors (see below), whose sum is σ = 1972041134. Its totient is φ = 563440320.

The previous prime is 1126880641. The next prime is 1126880663. The reversal of 1126880644 is 4460886211.

It can be written as a sum of positive squares in only one way, i.e., 924160000 + 202720644 = 30400^2 + 14238^2 .

It is a super-4 number, since 4×1126880644⁴ (a number of 37 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1126880597 and 1126880606.

It is not an unprimeable number, because it can be changed into a prime (1126880641) 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 as a sum of consecutive naturals, namely, 140860077 + ... + 140860084.

Almost surely, 2^1126880644 is an apocalyptic number.

It is an amenable number.

1126880644 is a deficient number, since it is larger than the sum of its proper divisors (845160490).

1126880644 is a wasteful number, since it uses less digits than its factorization.

1126880644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281720165 (or 281720163 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 1126880644 is about 33569.0429413768. The cubic root of 1126880644 is about 1040.6211292097.

The spelling of 1126880644 in words is "one billion, one hundred twenty-six million, eight hundred eighty thousand, six hundred forty-four".