1121644143347 has 12 divisors (see below), whose sum is σ = 1405136619936. Its totient is φ = 887454706320.

The previous prime is 1121644143343. The next prime is 1121644143359. The reversal of 1121644143347 is 7433414461211.

It is not a de Polignac number, because 1121644143347 - 2² = 1121644143343 is a prime.

It is a super-3 number, since 3×1121644143347³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1121644143343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 880410779 + ... + 880412052.

It is an arithmetic number, because the mean of its divisors is an integer number (117094718328).

Almost surely, 2^{1121644143347} is an apocalyptic number.

1121644143347 is a deficient number, since it is larger than the sum of its proper divisors (283492476589).

1121644143347 is a wasteful number, since it uses less digits than its factorization.

1121644143347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760822858 (or 1760822851 counting only the distinct ones).

The product of its digits is 193536, while the sum is 41.

The spelling of 1121644143347 in words is "one trillion, one hundred twenty-one billion, six hundred forty-four million, one hundred forty-three thousand, three hundred forty-seven".