1081934065 has 8 divisors (see below), whose sum is σ = 1301034240. Its totient is φ = 863738352.

The previous prime is 1081934041. The next prime is 1081934071. The reversal of 1081934065 is 5604391801.

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 1081934065 - 2⁵ = 1081934033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223479 + ... + 228268.

It is an arithmetic number, because the mean of its divisors is an integer number (162629280).

Almost surely, 2^1081934065 is an apocalyptic number.

It is an amenable number.

1081934065 is a deficient number, since it is larger than the sum of its proper divisors (219100175).

1081934065 is an equidigital number, since it uses as much as digits as its factorization.

1081934065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452231.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1081934065 is about 32892.7661500215. The cubic root of 1081934065 is about 1026.5976480818.

The spelling of 1081934065 in words is "one billion, eighty-one million, nine hundred thirty-four thousand, sixty-five".