122402052244291 has 4 divisors (see below), whose sum is σ = 124126024811184. Its totient is φ = 120678079677400.

The previous prime is 122402052244273. The next prime is 122402052244313. The reversal of 122402052244291 is 192442250204221.

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

It is a cyclic number.

It is not a de Polignac number, because 122402052244291 - 2⁵ = 122402052244259 is a prime.

It is a super-3 number, since 3×122402052244291³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122402052244261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861986283340 + ... + 861986283481.

It is an arithmetic number, because the mean of its divisors is an integer number (31031506202796).

Almost surely, 2^{122402052244291} is an apocalyptic number.

122402052244291 is a deficient number, since it is larger than the sum of its proper divisors (1723972566893).

122402052244291 is an equidigital number, since it uses as much as digits as its factorization.

122402052244291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723972566892.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 122402052244291 in words is "one hundred twenty-two trillion, four hundred two billion, fifty-two million, two hundred forty-four thousand, two hundred ninety-one".