1121727044 has 12 divisors (see below), whose sum is σ = 1980395004. Its totient is φ = 555899904.

The previous prime is 1121727023. The next prime is 1121727053. The reversal of 1121727044 is 4407271211.

It can be written as a sum of positive squares in 2 ways, for example, as 15366400 + 1106360644 = 3920^2 + 33262^2 .

It is a super-2 number, since 2×1121727044² = 2516543122481955872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1121726998 and 1121727016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1240397 + ... + 1241300.

It is an arithmetic number, because the mean of its divisors is an integer number (165032917).

Almost surely, 2^1121727044 is an apocalyptic number.

It is an amenable number.

1121727044 is a deficient number, since it is larger than the sum of its proper divisors (858667960).

1121727044 is a wasteful number, since it uses less digits than its factorization.

1121727044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481814 (or 2481812 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1121727044 is about 33492.1937770580. The cubic root of 1121727044 is about 1039.0323358665.

Adding to 1121727044 its reverse (4407271211), we get a palindrome (5528998255).

The spelling of 1121727044 in words is "one billion, one hundred twenty-one million, seven hundred twenty-seven thousand, forty-four".