1080326861 has 4 divisors (see below), whose sum is σ = 1082219424. Its totient is φ = 1078434300.

The previous prime is 1080326839. The next prime is 1080326867. The reversal of 1080326861 is 1686230801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1080326861 - 2¹⁸ = 1080064717 is a prime.

It is a super-2 number, since 2×1080326861² = 2334212253196226642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080326867) 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, 945425 + ... + 946566.

It is an arithmetic number, because the mean of its divisors is an integer number (270554856).

Almost surely, 2^1080326861 is an apocalyptic number.

It is an amenable number.

1080326861 is a deficient number, since it is larger than the sum of its proper divisors (1892563).

1080326861 is an equidigital number, since it uses as much as digits as its factorization.

1080326861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1892562.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1080326861 is about 32868.3261058424. The cubic root of 1080326861 is about 1026.0890620933.

The spelling of 1080326861 in words is "one billion, eighty million, three hundred twenty-six thousand, eight hundred sixty-one".