1081223941 has 8 divisors (see below), whose sum is σ = 1251326720. Its totient is φ = 915031728.

The previous prime is 1081223939. The next prime is 1081223947. The reversal of 1081223941 is 1493221801.

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 1081223941 - 2¹ = 1081223939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081223947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977046 + ... + 978151.

It is an arithmetic number, because the mean of its divisors is an integer number (156415840).

Almost surely, 2^1081223941 is an apocalyptic number.

It is an amenable number.

1081223941 is a deficient number, since it is larger than the sum of its proper divisors (170102779).

1081223941 is an equidigital number, since it uses as much as digits as its factorization.

1081223941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955283.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1081223941 is about 32881.9698467108. The cubic root of 1081223941 is about 1026.3729975525.

The spelling of 1081223941 in words is "one billion, eighty-one million, two hundred twenty-three thousand, nine hundred forty-one".