122380135 has 4 divisors (see below), whose sum is σ = 146856168. Its totient is φ = 97904104.

The previous prime is 122380129. The next prime is 122380169. The reversal of 122380135 is 531083221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 531083221 = 47 ⋅11299643.

It is a cyclic number.

It is not a de Polignac number, because 122380135 - 2⁵ = 122380103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12238009 + ... + 12238018.

It is an arithmetic number, because the mean of its divisors is an integer number (36714042).

Almost surely, 2^122380135 is an apocalyptic number.

122380135 is a deficient number, since it is larger than the sum of its proper divisors (24476033).

122380135 is an equidigital number, since it uses as much as digits as its factorization.

122380135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24476032.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 122380135 is about 11062.5555365838. Note that the first 4 decimals coincide. The cubic root of 122380135 is about 496.4821542346.

The spelling of 122380135 in words is "one hundred twenty-two million, three hundred eighty thousand, one hundred thirty-five".