1428514 has 4 divisors (see below), whose sum is σ = 2142774. Its totient is φ = 714256.

The previous prime is 1428491. The next prime is 1428521. The reversal of 1428514 is 4158241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4158241 = 109 ⋅38149.

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 71289 = 1165^2 + 267^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357127 + ... + 357130.

2^1428514 is an apocalyptic number.

1428514 is a deficient number, since it is larger than the sum of its proper divisors (714260).

1428514 is an equidigital number, since it uses as much as digits as its factorization.

1428514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714259.

The product of its digits is 1280, while the sum is 25.

The square root of 1428514 is about 1195.2045849979. The cubic root of 1428514 is about 112.6232788520.

The spelling of 1428514 in words is "one million, four hundred twenty-eight thousand, five hundred fourteen".