1121641412 has 24 divisors (see below), whose sum is σ = 2014416096. Its totient is φ = 546170688.

The previous prime is 1121641403. The next prime is 1121641463. The reversal of 1121641412 is 2141461211.

It is a super-3 number, since 3×1121641412³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50288 + ... + 69080.

It is an arithmetic number, because the mean of its divisors is an integer number (83934004).

Almost surely, 2^1121641412 is an apocalyptic number.

It is an amenable number.

1121641412 is a deficient number, since it is larger than the sum of its proper divisors (892774684).

1121641412 is a wasteful number, since it uses less digits than its factorization.

1121641412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19187 (or 19185 counting only the distinct ones).

The product of its digits is 384, while the sum is 23.

The square root of 1121641412 is about 33490.9153652151. The cubic root of 1121641412 is about 1039.0058954826.

The spelling of 1121641412 in words is "one billion, one hundred twenty-one million, six hundred forty-one thousand, four hundred twelve".