1129196371 has 2 divisors, whose sum is σ = 1129196372. Its totient is φ = 1129196370.

The previous prime is 1129196363. The next prime is 1129196381. The reversal of 1129196371 is 1736919211.

It is a weak prime.

It is an emirp because it is prime and its reverse (1736919211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1129196371 - 2³ = 1129196363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1129196381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564598185 + 564598186.

It is an arithmetic number, because the mean of its divisors is an integer number (564598186).

Almost surely, 2^1129196371 is an apocalyptic number.

1129196371 is a deficient number, since it is larger than the sum of its proper divisors (1).

1129196371 is an equidigital number, since it uses as much as digits as its factorization.

1129196371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20412, while the sum is 40.

The square root of 1129196371 is about 33603.5172415032. The cubic root of 1129196371 is about 1041.3334630433. Note that the first 3 decimals are identical.

The spelling of 1129196371 in words is "one billion, one hundred twenty-nine million, one hundred ninety-six thousand, three hundred seventy-one".