122135271 has 8 divisors (see below), whose sum is σ = 162898800. Its totient is φ = 81397632.

The previous prime is 122135243. The next prime is 122135291. The reversal of 122135271 is 172531221.

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

It is not a de Polignac number, because 122135271 - 2¹¹ = 122133223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122135231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12405 + ... + 19953.

It is an arithmetic number, because the mean of its divisors is an integer number (20362350).

Almost surely, 2^122135271 is an apocalyptic number.

122135271 is a deficient number, since it is larger than the sum of its proper divisors (40763529).

122135271 is an equidigital number, since it uses as much as digits as its factorization.

122135271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12945.

The product of its digits is 840, while the sum is 24.

The square root of 122135271 is about 11051.4827511968. The cubic root of 122135271 is about 496.1508047666.

Adding to 122135271 its reverse (172531221), we get a palindrome (294666492).

The spelling of 122135271 in words is "one hundred twenty-two million, one hundred thirty-five thousand, two hundred seventy-one".