1123012306 has 32 divisors (see below), whose sum is σ = 1909837440. Its totient is φ = 491361024.

The previous prime is 1123012291. The next prime is 1123012337. The reversal of 1123012306 is 6032103211.

It is a super-2 number, since 2×1123012306² = 2522313278854875272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59265 + ... + 75883.

It is an arithmetic number, because the mean of its divisors is an integer number (59682420).

Almost surely, 2^1123012306 is an apocalyptic number.

1123012306 is a deficient number, since it is larger than the sum of its proper divisors (786825134).

1123012306 is a wasteful number, since it uses less digits than its factorization.

1123012306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16770.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1123012306 is about 33511.3757700277. The cubic root of 1123012306 is about 1039.4290215159.

Adding to 1123012306 its reverse (6032103211), we get a palindrome (7155115517).

The spelling of 1123012306 in words is "one billion, one hundred twenty-three million, twelve thousand, three hundred six".