421701 has 16 divisors (see below), whose sum is σ = 658944. Its totient is φ = 234864.

The previous prime is 421699. The next prime is 421703. The reversal of 421701 is 107124.

421701 = T₁₁₈ + T₁₁₉ + ... + T₁₆₀.

It is an interprime number because it is at equal distance from previous prime (421699) and next prime (421703).

It is not a de Polignac number, because 421701 - 2¹ = 421699 is a prime.

421701 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421703) 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 15 ways as a sum of consecutive naturals, for example, 670 + ... + 1136.

It is an arithmetic number, because the mean of its divisors is an integer number (41184).

2⁴²¹⁷⁰¹ is an apocalyptic number.

It is an amenable number.

421701 is a deficient number, since it is larger than the sum of its proper divisors (237243).

421701 is a wasteful number, since it uses less digits than its factorization.

421701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 421701 is about 649.3850937618. The cubic root of 421701 is about 74.9896874710.

Adding to 421701 its reverse (107124), we get a palindrome (528825).

The spelling of 421701 in words is "four hundred twenty-one thousand, seven hundred one", and thus it is an iban number.