1123132101977 has 2 divisors, whose sum is σ = 1123132101978. Its totient is φ = 1123132101976.

The previous prime is 1123132101953. The next prime is 1123132102013. The reversal of 1123132101977 is 7791012313211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 578932287376 + 544199814601 = 760876^2 + 737699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123132101977 - 2⁶ = 1123132101913 is a prime.

It is a super-2 number, since 2×1123132101977² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123132101977.

It is not a weakly prime, because it can be changed into another prime (1123132101877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561566050988 + 561566050989.

It is an arithmetic number, because the mean of its divisors is an integer number (561566050989).

Almost surely, 2^{1123132101977} is an apocalyptic number.

It is an amenable number.

1123132101977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123132101977 is an equidigital number, since it uses as much as digits as its factorization.

1123132101977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 38.

The spelling of 1123132101977 in words is "one trillion, one hundred twenty-three billion, one hundred thirty-two million, one hundred one thousand, nine hundred seventy-seven".