127066001 has 4 divisors (see below), whose sum is σ = 127106100. Its totient is φ = 127025904.

The previous prime is 127065971. The next prime is 127066021. The reversal of 127066001 is 100660721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58920976 + 68145025 = 7676^2 + 8255^2 .

It is a cyclic number.

It is not a de Polignac number, because 127066001 - 2⁶ = 127065937 is a prime.

It is a super-2 number, since 2×127066001² = 32291537220264002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127066021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14846 + ... + 21783.

It is an arithmetic number, because the mean of its divisors is an integer number (31776525).

Almost surely, 2^127066001 is an apocalyptic number.

It is an amenable number.

127066001 is a deficient number, since it is larger than the sum of its proper divisors (40099).

127066001 is an equidigital number, since it uses as much as digits as its factorization.

127066001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40098.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 127066001 is about 11272.3556100755. The cubic root of 127066001 is about 502.7396294444.

The spelling of 127066001 in words is "one hundred twenty-seven million, sixty-six thousand, one".