127200001 has 8 divisors (see below), whose sum is σ = 137548800. Its totient is φ = 117169728.

The previous prime is 127199983. The next prime is 127200011. The reversal of 127200001 is 100002721.

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 127200001 - 2⁹ = 127199489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127200011) 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 7 ways as a sum of consecutive naturals, for example, 78801 + ... + 80398.

It is an arithmetic number, because the mean of its divisors is an integer number (17193600).

Almost surely, 2^127200001 is an apocalyptic number.

It is an amenable number.

127200001 is a deficient number, since it is larger than the sum of its proper divisors (10348799).

127200001 is a wasteful number, since it uses less digits than its factorization.

127200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159263.

The product of its (nonzero) digits is 28, while the sum is 13.

The square root of 127200001 is about 11278.2977882303. The cubic root of 127200001 is about 502.9162920779.

Adding to 127200001 its reverse (100002721), we get a palindrome (227202722).

The spelling of 127200001 in words is "one hundred twenty-seven million, two hundred thousand, one".