1121150044 has 12 divisors (see below), whose sum is σ = 2242300144. Its totient is φ = 480492864.

The previous prime is 1121150039. The next prime is 1121150047. The reversal of 1121150044 is 4400511211.

1121150044 is an admirable number.

It is a super-2 number, since 2×1121150044² = 2513954842322403872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121150047) 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, 20020509 + ... + 20020564.

Almost surely, 2^1121150044 is an apocalyptic number.

1121150044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121150044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1121150044 is a wasteful number, since it uses less digits than its factorization.

1121150044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40041084 (or 40041082 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1121150044 is about 33483.5787215166. The cubic root of 1121150044 is about 1038.8541509609.

Adding to 1121150044 its reverse (4400511211), we get a palindrome (5521661255).

The spelling of 1121150044 in words is "one billion, one hundred twenty-one million, one hundred fifty thousand, forty-four".