1126738673 has 2 divisors, whose sum is σ = 1126738674. Its totient is φ = 1126738672.

The previous prime is 1126738667. The next prime is 1126738693. The reversal of 1126738673 is 3768376211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 887324944 + 239413729 = 29788^2 + 15473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126738673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126738633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563369336 + 563369337.

It is an arithmetic number, because the mean of its divisors is an integer number (563369337).

Almost surely, 2^1126738673 is an apocalyptic number.

It is an amenable number.

1126738673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126738673 is an equidigital number, since it uses as much as digits as its factorization.

1126738673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 44.

The square root of 1126738673 is about 33566.9282628006. The cubic root of 1126738673 is about 1040.5774262000.

The spelling of 1126738673 in words is "one billion, one hundred twenty-six million, seven hundred thirty-eight thousand, six hundred seventy-three".