1166124977 has 2 divisors, whose sum is σ = 1166124978. Its totient is φ = 1166124976.

The previous prime is 1166124961. The next prime is 1166125039. The reversal of 1166124977 is 7794216611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1164788641 + 1336336 = 34129^2 + 1156^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166124977 - 2⁴ = 1166124961 is a prime.

It is not a weakly prime, because it can be changed into another prime (1166124917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583062488 + 583062489.

It is an arithmetic number, because the mean of its divisors is an integer number (583062489).

Almost surely, 2^1166124977 is an apocalyptic number.

It is an amenable number.

1166124977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166124977 is an equidigital number, since it uses as much as digits as its factorization.

1166124977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 44.

The square root of 1166124977 is about 34148.5721077763. The cubic root of 1166124977 is about 1052.5636454950.

The spelling of 1166124977 in words is "one billion, one hundred sixty-six million, one hundred twenty-four thousand, nine hundred seventy-seven".