1081795281 has 8 divisors (see below), whose sum is σ = 1648449984. Its totient is φ = 618168720.

The previous prime is 1081795261. The next prime is 1081795283. The reversal of 1081795281 is 1825971801.

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

It is not a de Polignac number, because 1081795281 - 2¹¹ = 1081793233 is a prime.

It is a super-2 number, since 2×1081795281² = 2340562059987737922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1081795283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25757010 + ... + 25757051.

It is an arithmetic number, because the mean of its divisors is an integer number (206056248).

Almost surely, 2^1081795281 is an apocalyptic number.

It is an amenable number.

1081795281 is a deficient number, since it is larger than the sum of its proper divisors (566654703).

1081795281 is an equidigital number, since it uses as much as digits as its factorization.

1081795281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51514071.

The product of its (nonzero) digits is 40320, while the sum is 42.

The square root of 1081795281 is about 32890.6564391774. The cubic root of 1081795281 is about 1026.5537509458.

The spelling of 1081795281 in words is "one billion, eighty-one million, seven hundred ninety-five thousand, two hundred eighty-one".