1081332179 has 2 divisors, whose sum is σ = 1081332180. Its totient is φ = 1081332178.

The previous prime is 1081332169. The next prime is 1081332221. The reversal of 1081332179 is 9712331801.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1081332179 - 2¹⁶ = 1081266643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1081332169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540666089 + 540666090.

It is an arithmetic number, because the mean of its divisors is an integer number (540666090).

Almost surely, 2^1081332179 is an apocalyptic number.

1081332179 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081332179 is an equidigital number, since it uses as much as digits as its factorization.

1081332179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1081332179 is about 32883.6156619068. The cubic root of 1081332179 is about 1026.4072454233.

The spelling of 1081332179 in words is "one billion, eighty-one million, three hundred thirty-two thousand, one hundred seventy-nine".