1123132957 has 2 divisors, whose sum is σ = 1123132958. Its totient is φ = 1123132956.

The previous prime is 1123132943. The next prime is 1123132963. The reversal of 1123132957 is 7592313211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 872670681 + 250462276 = 29541^2 + 15826^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123132957 - 2¹¹ = 1123130909 is a prime.

It is a super-2 number, since 2×1123132957² = 2522855278199127698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1123142957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561566478 + 561566479.

It is an arithmetic number, because the mean of its divisors is an integer number (561566479).

Almost surely, 2^1123132957 is an apocalyptic number.

It is an amenable number.

1123132957 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123132957 is an equidigital number, since it uses as much as digits as its factorization.

1123132957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 1123132957 is about 33513.1758715882. The cubic root of 1123132957 is about 1039.4662439220.

The spelling of 1123132957 in words is "one billion, one hundred twenty-three million, one hundred thirty-two thousand, nine hundred fifty-seven".