1081081223 has 8 divisors (see below), whose sum is σ = 1100770320. Its totient is φ = 1061455680.

The previous prime is 1081081219. The next prime is 1081081229. The reversal of 1081081223 is 3221801801.

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 1081081223 - 2² = 1081081219 is a prime.

It is a super-2 number, since 2×1081081223² = 2337473221446351458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1081081192 and 1081081201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081081229) 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, 19136 + ... + 50282.

It is an arithmetic number, because the mean of its divisors is an integer number (137596290).

Almost surely, 2^1081081223 is an apocalyptic number.

1081081223 is a deficient number, since it is larger than the sum of its proper divisors (19689097).

1081081223 is an equidigital number, since it uses as much as digits as its factorization.

1081081223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31777.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1081081223 is about 32879.7996192191. The cubic root of 1081081223 is about 1026.3278362800.

The spelling of 1081081223 in words is "one billion, eighty-one million, eighty-one thousand, two hundred twenty-three".