1081223834 has 8 divisors (see below), whose sum is σ = 1717237908. Its totient is φ = 508811200.

The previous prime is 1081223831. The next prime is 1081223839. The reversal of 1081223834 is 4383221801.

It can be written as a sum of positive squares in 2 ways, for example, as 988159225 + 93064609 = 31435^2 + 9647^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1081223834.

It is not an unprimeable number, because it can be changed into a prime (1081223831) 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, 15900317 + ... + 15900384.

Almost surely, 2^1081223834 is an apocalyptic number.

1081223834 is a deficient number, since it is larger than the sum of its proper divisors (636014074).

1081223834 is a wasteful number, since it uses less digits than its factorization.

1081223834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31800720.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1081223834 is about 32881.9682196793. The cubic root of 1081223834 is about 1026.3729636952.

The spelling of 1081223834 in words is "one billion, eighty-one million, two hundred twenty-three thousand, eight hundred thirty-four".