427188201 has 12 divisors (see below), whose sum is σ = 626072496. Its totient is φ = 258901720.

The previous prime is 427188197. The next prime is 427188239. The reversal of 427188201 is 102881724.

It is a happy number.

It is not a de Polignac number, because 427188201 - 2² = 427188197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (427181201) 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 11 ways as a sum of consecutive naturals, for example, 588051 + ... + 588776.

It is an arithmetic number, because the mean of its divisors is an integer number (52172708).

Almost surely, 2^427188201 is an apocalyptic number.

It is an amenable number.

427188201 is a deficient number, since it is larger than the sum of its proper divisors (198884295).

427188201 is a wasteful number, since it uses less digits than its factorization.

427188201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176852 (or 1176841 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 427188201 is about 20668.5316604736. The cubic root of 427188201 is about 753.1354373329.

The spelling of 427188201 in words is "four hundred twenty-seven million, one hundred eighty-eight thousand, two hundred one".