1126163957 has 2 divisors, whose sum is σ = 1126163958. Its totient is φ = 1126163956.

The previous prime is 1126163923. The next prime is 1126164007. The reversal of 1126163957 is 7593616211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 915304516 + 210859441 = 30254^2 + 14521^2 .

It is a cyclic number.

It is not a de Polignac number, because 1126163957 - 2¹⁸ = 1125901813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1126163057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563081978 + 563081979.

It is an arithmetic number, because the mean of its divisors is an integer number (563081979).

Almost surely, 2^1126163957 is an apocalyptic number.

It is an amenable number.

1126163957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126163957 is an equidigital number, since it uses as much as digits as its factorization.

1126163957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 1126163957 is about 33558.3664232930. The cubic root of 1126163957 is about 1040.4004735432.

The spelling of 1126163957 in words is "one billion, one hundred twenty-six million, one hundred sixty-three thousand, nine hundred fifty-seven".