122116359 has 4 divisors (see below), whose sum is σ = 162821816. Its totient is φ = 81410904.

The previous prime is 122116339. The next prime is 122116367. The reversal of 122116359 is 953611221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 953611221 = 3 ⋅317870407.

It is not a de Polignac number, because 122116359 - 2¹⁷ = 121985287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122116339) 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, 20352724 + ... + 20352729.

It is an arithmetic number, because the mean of its divisors is an integer number (40705454).

Almost surely, 2^122116359 is an apocalyptic number.

122116359 is a deficient number, since it is larger than the sum of its proper divisors (40705457).

122116359 is an equidigital number, since it uses as much as digits as its factorization.

122116359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40705456.

The product of its digits is 3240, while the sum is 30.

The square root of 122116359 is about 11050.6270862789. The cubic root of 122116359 is about 496.1251946697.

The spelling of 122116359 in words is "one hundred twenty-two million, one hundred sixteen thousand, three hundred fifty-nine".