1126838173 has 2 divisors, whose sum is σ = 1126838174. Its totient is φ = 1126838172.

The previous prime is 1126838171. The next prime is 1126838197. The reversal of 1126838173 is 3718386211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094154084 + 32684089 = 33078^2 + 5717^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126838173 - 2¹ = 1126838171 is a prime.

Together with 1126838171, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126838171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563419086 + 563419087.

It is an arithmetic number, because the mean of its divisors is an integer number (563419087).

Almost surely, 2^1126838173 is an apocalyptic number.

It is an amenable number.

1126838173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126838173 is an equidigital number, since it uses as much as digits as its factorization.

1126838173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 40.

The square root of 1126838173 is about 33568.4103436549. The cubic root of 1126838173 is about 1040.6080557236.

The spelling of 1126838173 in words is "one billion, one hundred twenty-six million, eight hundred thirty-eight thousand, one hundred seventy-three".