1428701 has 4 divisors (see below), whose sum is σ = 1431132. Its totient is φ = 1426272.

The previous prime is 1428689. The next prime is 1428703. The reversal of 1428701 is 1078241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1207801 + 220900 = 1099^2 + 470^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428701 - 2¹⁴ = 1412317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428703) 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, 281 + ... + 1713.

It is an arithmetic number, because the mean of its divisors is an integer number (357783).

2^1428701 is an apocalyptic number.

It is an amenable number.

1428701 is a deficient number, since it is larger than the sum of its proper divisors (2431).

1428701 is an equidigital number, since it uses as much as digits as its factorization.

1428701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2430.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1428701 is about 1195.2828117228. The cubic root of 1428701 is about 112.6281929642.

The spelling of 1428701 in words is "one million, four hundred twenty-eight thousand, seven hundred one".