1122011044 has 48 divisors (see below), whose sum is σ = 2532458880. Its totient is φ = 422069760.

The previous prime is 1122011029. The next prime is 1122011057. The reversal of 1122011044 is 4401102211.

It is a happy number.

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, 53877 + ... + 71740.

It is an arithmetic number, because the mean of its divisors is an integer number (52759560).

Almost surely, 2^1122011044 is an apocalyptic number.

1122011044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1122011044 is an abundant number, since it is smaller than the sum of its proper divisors (1410447836).

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

1122011044 is a wasteful number, since it uses less digits than its factorization.

1122011044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125668 (or 125666 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1122011044 is about 33496.4333026667. The cubic root of 1122011044 is about 1039.1200162237.

Adding to 1122011044 its reverse (4401102211), we get a palindrome (5523113255).

The spelling of 1122011044 in words is "one billion, one hundred twenty-two million, eleven thousand, forty-four".