122027745161 has 4 divisors (see below), whose sum is σ = 139460280192. Its totient is φ = 104595210132.

The previous prime is 122027745137. The next prime is 122027745247. The reversal of 122027745161 is 161547720221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122027745161 - 2¹⁴ = 122027728777 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122027745061) 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, 8716267505 + ... + 8716267518.

It is an arithmetic number, because the mean of its divisors is an integer number (34865070048).

Almost surely, 2^122027745161 is an apocalyptic number.

It is an amenable number.

122027745161 is a deficient number, since it is larger than the sum of its proper divisors (17432535031).

122027745161 is an equidigital number, since it uses as much as digits as its factorization.

122027745161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17432535030.

The product of its (nonzero) digits is 47040, while the sum is 38.

The spelling of 122027745161 in words is "one hundred twenty-two billion, twenty-seven million, seven hundred forty-five thousand, one hundred sixty-one".