1081016959 has 4 divisors (see below), whose sum is σ = 1179291240. Its totient is φ = 982742680.

The previous prime is 1081016953. The next prime is 1081016987. The reversal of 1081016959 is 9596101801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1081016959 - 2⁷ = 1081016831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081016953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49137124 + ... + 49137145.

It is an arithmetic number, because the mean of its divisors is an integer number (294822810).

Almost surely, 2^1081016959 is an apocalyptic number.

1081016959 is a deficient number, since it is larger than the sum of its proper divisors (98274281).

1081016959 is an equidigital number, since it uses as much as digits as its factorization.

1081016959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98274280.

The product of its (nonzero) digits is 19440, while the sum is 40.

The square root of 1081016959 is about 32878.8223481316. The cubic root of 1081016959 is about 1026.3074994673.

The spelling of 1081016959 in words is "one billion, eighty-one million, sixteen thousand, nine hundred fifty-nine".