127423201 has 4 divisors (see below), whose sum is σ = 127572400. Its totient is φ = 127274004.

The previous prime is 127423199. The next prime is 127423217. The reversal of 127423201 is 102324721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 127423201 - 2¹ = 127423199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127429201) 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, 73311 + ... + 75028.

It is an arithmetic number, because the mean of its divisors is an integer number (31893100).

Almost surely, 2^127423201 is an apocalyptic number.

It is an amenable number.

127423201 is a deficient number, since it is larger than the sum of its proper divisors (149199).

127423201 is an equidigital number, since it uses as much as digits as its factorization.

127423201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149198.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 127423201 is about 11288.1885615009. The cubic root of 127423201 is about 503.2102787740.

Adding to 127423201 its reverse (102324721), we get a palindrome (229747922).

The spelling of 127423201 in words is "one hundred twenty-seven million, four hundred twenty-three thousand, two hundred one".