127113201 has 6 divisors (see below), whose sum is σ = 183607970. Its totient is φ = 84742128.

The previous prime is 127113193. The next prime is 127113209. The reversal of 127113201 is 102311721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (127113193) and next prime (127113209).

It can be written as a sum of positive squares in only one way, i.e., 107744400 + 19368801 = 10380^2 + 4401^2 .

It is not a de Polignac number, because 127113201 - 2³ = 127113193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127113209) 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 5 ways as a sum of consecutive naturals, for example, 7061836 + ... + 7061853.

Almost surely, 2^127113201 is an apocalyptic number.

It is an amenable number.

127113201 is a deficient number, since it is larger than the sum of its proper divisors (56494769).

127113201 is a wasteful number, since it uses less digits than its factorization.

127113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14123695 (or 14123692 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 127113201 is about 11274.4490331014. The cubic root of 127113201 is about 502.8018710426.

Adding to 127113201 its reverse (102311721), we get a palindrome (229424922).

The spelling of 127113201 in words is "one hundred twenty-seven million, one hundred thirteen thousand, two hundred one".