2042121068 has 24 divisors (see below), whose sum is σ = 3850214592. Its totient is φ = 942125184.

The previous prime is 2042121047. The next prime is 2042121077. The reversal of 2042121068 is 8601212402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 145496 + ... + 158912.

It is an arithmetic number, because the mean of its divisors is an integer number (160425608).

Almost surely, 2^2042121068 is an apocalyptic number.

It is an amenable number.

2042121068 is a deficient number, since it is larger than the sum of its proper divisors (1808093524).

2042121068 is a wasteful number, since it uses less digits than its factorization.

2042121068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16361 (or 16359 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 2042121068 is about 45189.8336797116. The cubic root of 2042121068 is about 1268.7045438251.

The spelling of 2042121068 in words is "two billion, forty-two million, one hundred twenty-one thousand, sixty-eight".