1137126943 has 2 divisors, whose sum is σ = 1137126944. Its totient is φ = 1137126942.

The previous prime is 1137126941. The next prime is 1137126973. The reversal of 1137126943 is 3496217311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1137126943 - 2¹ = 1137126941 is a prime.

Together with 1137126941, 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 (1137126941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568563471 + 568563472.

It is an arithmetic number, because the mean of its divisors is an integer number (568563472).

Almost surely, 2^1137126943 is an apocalyptic number.

1137126943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1137126943 is an equidigital number, since it uses as much as digits as its factorization.

1137126943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 37.

The square root of 1137126943 is about 33721.3128896252. The cubic root of 1137126943 is about 1043.7656091562.

The spelling of 1137126943 in words is "one billion, one hundred thirty-seven million, one hundred twenty-six thousand, nine hundred forty-three".