127922081 has 8 divisors (see below), whose sum is σ = 146369664. Its totient is φ = 109517760.

The previous prime is 127922071. The next prime is 127922083. The reversal of 127922081 is 180229721.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 127922081 - 2⁶ = 127922017 is a prime.

It is a super-2 number, since 2×127922081² = 32728117614741122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127922083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4205 + ... + 16538.

It is an arithmetic number, because the mean of its divisors is an integer number (18296208).

Almost surely, 2^127922081 is an apocalyptic number.

It is an amenable number.

127922081 is a deficient number, since it is larger than the sum of its proper divisors (18447583).

127922081 is an equidigital number, since it uses as much as digits as its factorization.

127922081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21631.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 127922081 is about 11310.2644089340. The cubic root of 127922081 is about 503.8661369210.

The spelling of 127922081 in words is "one hundred twenty-seven million, nine hundred twenty-two thousand, eighty-one".