122080191 has 4 divisors (see below), whose sum is σ = 162773592. Its totient is φ = 81386792.

The previous prime is 122080183. The next prime is 122080219. The reversal of 122080191 is 191080221.

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 122080191 - 2³ = 122080183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122080121) 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, 20346696 + ... + 20346701.

It is an arithmetic number, because the mean of its divisors is an integer number (40693398).

Almost surely, 2^122080191 is an apocalyptic number.

122080191 is a deficient number, since it is larger than the sum of its proper divisors (40693401).

122080191 is an equidigital number, since it uses as much as digits as its factorization.

122080191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40693400.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 122080191 is about 11048.9904968735. The cubic root of 122080191 is about 496.0762096197.

The spelling of 122080191 in words is "one hundred twenty-two million, eighty thousand, one hundred ninety-one".