7342122121 has 4 divisors (see below), whose sum is σ = 7540557892. Its totient is φ = 7143686352.

The previous prime is 7342122091. The next prime is 7342122131. The reversal of 7342122121 is 1212212437.

7342122121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6168374521 + 1173747600 = 78539^2 + 34260^2 .

It is a cyclic number.

It is not a de Polignac number, because 7342122121 - 2¹⁹ = 7341597833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7342122131) 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 3 ways as a sum of consecutive naturals, for example, 99217830 + ... + 99217903.

It is an arithmetic number, because the mean of its divisors is an integer number (1885139473).

Almost surely, 2^7342122121 is an apocalyptic number.

It is an amenable number.

7342122121 is a deficient number, since it is larger than the sum of its proper divisors (198435771).

7342122121 is a wasteful number, since it uses less digits than its factorization.

7342122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198435770.

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

The square root of 7342122121 is about 85686.1839563415. The cubic root of 7342122121 is about 1943.6013912901.

Adding to 7342122121 its reverse (1212212437), we get a palindrome (8554334558).

The spelling of 7342122121 in words is "seven billion, three hundred forty-two million, one hundred twenty-two thousand, one hundred twenty-one".