1123030986 has 128 divisors (see below), whose sum is σ = 3043491840. Its totient is φ = 267364800.

The previous prime is 1123030969. The next prime is 1123030991. The reversal of 1123030986 is 6890303211.

It is a super-2 number, since 2×1123030986² = 2522397191032264392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 270055 + ... + 274181.

It is an arithmetic number, because the mean of its divisors is an integer number (23777280).

Almost surely, 2^1123030986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1123030986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521745920).

1123030986 is an abundant number, since it is smaller than the sum of its proper divisors (1920460854).

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

1123030986 is a wasteful number, since it uses less digits than its factorization.

1123030986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 1123030986 is about 33511.6544801954. The cubic root of 1123030986 is about 1039.4347847138.

The spelling of 1123030986 in words is "one billion, one hundred twenty-three million, thirty thousand, nine hundred eighty-six".