127122 has 8 divisors (see below), whose sum is σ = 254256. Its totient is φ = 42372.

The previous prime is 127103. The next prime is 127123. The reversal of 127122 is 221721.

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

127122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (127123) by changing a digit.

127122 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10588 + ... + 10599.

It is an arithmetic number, because the mean of its divisors is an integer number (31782).

2¹²⁷¹²² is an apocalyptic number.

127122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127122 is a wasteful number, since it uses less digits than its factorization.

127122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21192.

The product of its digits is 56, while the sum is 15.

The square root of 127122 is about 356.5417226637. The cubic root of 127122 is about 50.2813472386.

Adding to 127122 its reverse (221721), we get a palindrome (348843).

The spelling of 127122 in words is "one hundred twenty-seven thousand, one hundred twenty-two", and thus it is an iban number.