1121152056 has 16 divisors (see below), whose sum is σ = 2802880200. Its totient is φ = 373717344.

The previous prime is 1121152051. The next prime is 1121152073. The reversal of 1121152056 is 6502511211.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 46714669 = 1121152056 / (1 + 1 + 2 + 1 + 1 + 5 + 2 + 0 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121152051) 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, 23357311 + ... + 23357358.

Almost surely, 2^1121152056 is an apocalyptic number.

It is an amenable number.

1121152056 is an abundant number, since it is smaller than the sum of its proper divisors (1681728144).

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

1121152056 is a wasteful number, since it uses less digits than its factorization.

1121152056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46714678 (or 46714674 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 1121152056 is about 33483.6087660814. The cubic root of 1121152056 is about 1038.8547723982.

Adding to 1121152056 its reverse (6502511211), we get a palindrome (7623663267).

The spelling of 1121152056 in words is "one billion, one hundred twenty-one million, one hundred fifty-two thousand, fifty-six".