122006117291 has 8 divisors (see below), whose sum is σ = 122208624720. Its totient is φ = 121803735328.

The previous prime is 122006117279. The next prime is 122006117323. The reversal of 122006117291 is 192711600221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122006117291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122006117201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2025785 + ... + 2085141.

It is an arithmetic number, because the mean of its divisors is an integer number (15276078090).

Almost surely, 2^122006117291 is an apocalyptic number.

122006117291 is a deficient number, since it is larger than the sum of its proper divisors (202507429).

122006117291 is an equidigital number, since it uses as much as digits as its factorization.

122006117291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62733.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 122006117291 in words is "one hundred twenty-two billion, six million, one hundred seventeen thousand, two hundred ninety-one".