122666135 has 8 divisors (see below), whose sum is σ = 155858256. Its totient is φ = 92360320.

The previous prime is 122666129. The next prime is 122666149. The reversal of 122666135 is 531666221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122666135 - 2¹² = 122662039 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 7 ways as a sum of consecutive naturals, for example, 721481 + ... + 721650.

It is an arithmetic number, because the mean of its divisors is an integer number (19482282).

Almost surely, 2^122666135 is an apocalyptic number.

122666135 is a deficient number, since it is larger than the sum of its proper divisors (33192121).

122666135 is a wasteful number, since it uses less digits than its factorization.

122666135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443153.

The product of its digits is 12960, while the sum is 32.

The square root of 122666135 is about 11075.4744819353. The cubic root of 122666135 is about 496.8686097302.

The spelling of 122666135 in words is "one hundred twenty-two million, six hundred sixty-six thousand, one hundred thirty-five".