1121418843 has 32 divisors (see below), whose sum is σ = 1589124096. Its totient is φ = 701995008.

The previous prime is 1121418803. The next prime is 1121418847. The reversal of 1121418843 is 3488141211.

It is not a de Polignac number, because 1121418843 - 2¹² = 1121414747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121418847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 916330 + ... + 917552.

It is an arithmetic number, because the mean of its divisors is an integer number (49660128).

Almost surely, 2^1121418843 is an apocalyptic number.

1121418843 is a deficient number, since it is larger than the sum of its proper divisors (467705253).

1121418843 is a wasteful number, since it uses less digits than its factorization.

1121418843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483.

The product of its digits is 6144, while the sum is 33.

The square root of 1121418843 is about 33487.5923738928. The cubic root of 1121418843 is about 1038.9371670999.

The spelling of 1121418843 in words is "one billion, one hundred twenty-one million, four hundred eighteen thousand, eight hundred forty-three".