1122112036 has 12 divisors (see below), whose sum is σ = 1973872012. Its totient is φ = 558148608.

The previous prime is 1122112031. The next prime is 1122112039. The reversal of 1122112036 is 6302112211.

It can be written as a sum of positive squares in 2 ways, for example, as 72999936 + 1049112100 = 8544^2 + 32390^2 .

It is not an unprimeable number, because it can be changed into a prime (1122112031) 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, 725985 + ... + 727528.

Almost surely, 2^1122112036 is an apocalyptic number.

It is an amenable number.

1122112036 is a deficient number, since it is larger than the sum of its proper divisors (851759976).

1122112036 is a wasteful number, since it uses less digits than its factorization.

1122112036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453710 (or 1453708 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1122112036 is about 33497.9407725311. The cubic root of 1122112036 is about 1039.1511922864.

Adding to 1122112036 its reverse (6302112211), we get a palindrome (7424224247).

The spelling of 1122112036 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, thirty-six".