1126112021 has 8 divisors (see below), whose sum is σ = 1166158080. Its totient is φ = 1086146992.

The previous prime is 1126112017. The next prime is 1126112023. The reversal of 1126112021 is 1202116211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1126112021 - 2² = 1126112017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126112023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8756 + ... + 48258.

It is an arithmetic number, because the mean of its divisors is an integer number (145769760).

Almost surely, 2^1126112021 is an apocalyptic number.

It is an amenable number.

1126112021 is a deficient number, since it is larger than the sum of its proper divisors (40046059).

1126112021 is an equidigital number, since it uses as much as digits as its factorization.

1126112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40515.

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 1126112021 is about 33557.5925983972. The cubic root of 1126112021 is about 1040.3844796999.

Adding to 1126112021 its reverse (1202116211), we get a palindrome (2328228232).

The spelling of 1126112021 in words is "one billion, one hundred twenty-six million, one hundred twelve thousand, twenty-one".