1081234944 has 240 divisors, whose sum is σ = 3284321040. Its totient is φ = 342097920.

The previous prime is 1081234939. The next prime is 1081234961. The reversal of 1081234944 is 4494321801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1081234899 and 1081234908.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11146704 + ... + 11146800.

It is an arithmetic number, because the mean of its divisors is an integer number (13684671).

Almost surely, 2^1081234944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081234944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1642160520).

1081234944 is an abundant number, since it is smaller than the sum of its proper divisors (2203086096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1081234944 is an equidigital number, since it uses as much as digits as its factorization.

1081234944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1081234944 is about 32882.1371568212. The cubic root of 1081234944 is about 1026.3764791451.

The spelling of 1081234944 in words is "one billion, eighty-one million, two hundred thirty-four thousand, nine hundred forty-four".