1128692377 has 2 divisors, whose sum is σ = 1128692378. Its totient is φ = 1128692376.

The previous prime is 1128692281. The next prime is 1128692401. The reversal of 1128692377 is 7732968211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 632472201 + 496220176 = 25149^2 + 22276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1128692377 - 2⁷ = 1128692249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1128692077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564346188 + 564346189.

It is an arithmetic number, because the mean of its divisors is an integer number (564346189).

Almost surely, 2^1128692377 is an apocalyptic number.

It is an amenable number.

1128692377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128692377 is an equidigital number, since it uses as much as digits as its factorization.

1128692377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The square root of 1128692377 is about 33596.0172788383. The cubic root of 1128692377 is about 1041.1785139332.

The spelling of 1128692377 in words is "one billion, one hundred twenty-eight million, six hundred ninety-two thousand, three hundred seventy-seven".