5943278121 has 12 divisors (see below), whose sum is σ = 8710259376. Its totient is φ = 3601986520.

The previous prime is 5943278111. The next prime is 5943278161. The reversal of 5943278121 is 1218723495.

It is not a de Polignac number, because 5943278121 - 2²² = 5939083817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5943278111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8185971 + ... + 8186696.

It is an arithmetic number, because the mean of its divisors is an integer number (725854948).

Almost surely, 2^5943278121 is an apocalyptic number.

It is an amenable number.

5943278121 is a deficient number, since it is larger than the sum of its proper divisors (2766981255).

5943278121 is a wasteful number, since it uses less digits than its factorization.

5943278121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16372692 (or 16372681 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 5943278121 is about 77092.6593198081. The cubic root of 5943278121 is about 1811.3763145874.

The spelling of 5943278121 in words is "five billion, nine hundred forty-three million, two hundred seventy-eight thousand, one hundred twenty-one".