127020122 has 8 divisors (see below), whose sum is σ = 198814176. Its totient is φ = 60748732.

The previous prime is 127020121. The next prime is 127020137. The reversal of 127020122 is 221020721.

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

It is a super-2 number, since 2×127020122² = 32268222785789768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 127020122.

It is not an unprimeable number, because it can be changed into a prime (127020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380608 + ... + 1380699.

It is an arithmetic number, because the mean of its divisors is an integer number (24851772).

Almost surely, 2^127020122 is an apocalyptic number.

127020122 is a deficient number, since it is larger than the sum of its proper divisors (71794054).

127020122 is a wasteful number, since it uses less digits than its factorization.

127020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2761332.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 127020122 is about 11270.3204036088. The cubic root of 127020122 is about 502.6791150455.

Adding to 127020122 its reverse (221020721), we get a palindrome (348040843).

The spelling of 127020122 in words is "one hundred twenty-seven million, twenty thousand, one hundred twenty-two".