1129112377 has 2 divisors, whose sum is σ = 1129112378. Its totient is φ = 1129112376.

The previous prime is 1129112359. The next prime is 1129112417. The reversal of 1129112377 is 7732119211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 885003001 + 244109376 = 29749^2 + 15624^2 .

It is a cyclic number.

It is not a de Polignac number, because 1129112377 - 2¹⁹ = 1128588089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1129112977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564556188 + 564556189.

It is an arithmetic number, because the mean of its divisors is an integer number (564556189).

Almost surely, 2^1129112377 is an apocalyptic number.

It is an amenable number.

1129112377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129112377 is an equidigital number, since it uses as much as digits as its factorization.

1129112377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5292, while the sum is 34.

The square root of 1129112377 is about 33602.2674383739. The cubic root of 1129112377 is about 1041.3076429309.

The spelling of 1129112377 in words is "one billion, one hundred twenty-nine million, one hundred twelve thousand, three hundred seventy-seven".