1081496959 has 8 divisors (see below), whose sum is σ = 1102429440. Its totient is φ = 1060584096.

The previous prime is 1081496953. The next prime is 1081496987. The reversal of 1081496959 is 9596941801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081496959 - 2³ = 1081496951 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 (1081496951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157602 + ... + 164320.

It is an arithmetic number, because the mean of its divisors is an integer number (137803680).

Almost surely, 2^1081496959 is an apocalyptic number.

1081496959 is a deficient number, since it is larger than the sum of its proper divisors (20932481).

1081496959 is an equidigital number, since it uses as much as digits as its factorization.

1081496959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9809.

The product of its (nonzero) digits is 699840, while the sum is 52.

The square root of 1081496959 is about 32886.1210695333. The cubic root of 1081496959 is about 1026.4593795097.

The spelling of 1081496959 in words is "one billion, eighty-one million, four hundred ninety-six thousand, nine hundred fifty-nine".