127115122 has 16 divisors (see below), whose sum is σ = 192647232. Its totient is φ = 62902800.

The previous prime is 127115117. The next prime is 127115123. The reversal of 127115122 is 221511721.

It is a junction number, because it is equal to n+sod(n) for n = 127115093 and 127115102.

It is not an unprimeable number, because it can be changed into a prime (127115123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104188 + ... + 105400.

It is an arithmetic number, because the mean of its divisors is an integer number (12040452).

Almost surely, 2^127115122 is an apocalyptic number.

127115122 is a deficient number, since it is larger than the sum of its proper divisors (65532110).

127115122 is a wasteful number, since it uses less digits than its factorization.

127115122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713.

The product of its digits is 280, while the sum is 22.

The square root of 127115122 is about 11274.5342254126. The cubic root of 127115122 is about 502.8044038966.

Adding to 127115122 its reverse (221511721), we get a palindrome (348626843).

The spelling of 127115122 in words is "one hundred twenty-seven million, one hundred fifteen thousand, one hundred twenty-two".