2042121067 has 4 divisors (see below), whose sum is σ = 2333852656. Its totient is φ = 1750389480.

The previous prime is 2042121047. The next prime is 2042121077. The reversal of 2042121067 is 7601212402.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2042121067 - 2¹⁹ = 2041596779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2042121047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145865784 + ... + 145865797.

It is an arithmetic number, because the mean of its divisors is an integer number (583463164).

Almost surely, 2^2042121067 is an apocalyptic number.

2042121067 is a deficient number, since it is larger than the sum of its proper divisors (291731589).

2042121067 is an equidigital number, since it uses as much as digits as its factorization.

2042121067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291731588.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 2042121067 is about 45189.8336686472. The cubic root of 2042121067 is about 1268.7045436180.

Adding to 2042121067 its reverse (7601212402), we get a palindrome (9643333469).

The spelling of 2042121067 in words is "two billion, forty-two million, one hundred twenty-one thousand, sixty-seven".