421077201 has 4 divisors (see below), whose sum is σ = 561436272. Its totient is φ = 280718132.

The previous prime is 421077197. The next prime is 421077229. The reversal of 421077201 is 102770124.

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 421077201 - 2² = 421077197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421077001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70179531 + ... + 70179536.

It is an arithmetic number, because the mean of its divisors is an integer number (140359068).

Almost surely, 2^421077201 is an apocalyptic number.

It is an amenable number.

421077201 is a deficient number, since it is larger than the sum of its proper divisors (140359071).

421077201 is a wasteful number, since it uses less digits than its factorization.

421077201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140359070.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 421077201 is about 20520.1657157051. The cubic root of 421077201 is about 749.5269318937.

The spelling of 421077201 in words is "four hundred twenty-one million, seventy-seven thousand, two hundred one".