122196511 has 4 divisors (see below), whose sum is σ = 122247000. Its totient is φ = 122146024.

The previous prime is 122196509. The next prime is 122196541. The reversal of 122196511 is 115691221.

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 122196511 - 2¹ = 122196509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122196511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122196541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21421 + ... + 26518.

It is an arithmetic number, because the mean of its divisors is an integer number (30561750).

Almost surely, 2^122196511 is an apocalyptic number.

122196511 is a deficient number, since it is larger than the sum of its proper divisors (50489).

122196511 is an equidigital number, since it uses as much as digits as its factorization.

122196511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50488.

The product of its digits is 1080, while the sum is 28.

The square root of 122196511 is about 11054.2530729127. The cubic root of 122196511 is about 496.2337161104.

The spelling of 122196511 in words is "one hundred twenty-two million, one hundred ninety-six thousand, five hundred eleven".