1428241 has 8 divisors (see below), whose sum is σ = 1468800. Its totient is φ = 1388400.

The previous prime is 1428233. The next prime is 1428247.

1428241 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1428241 - 2³ = 1428233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7890 + ... + 8068.

It is an arithmetic number, because the mean of its divisors is an integer number (183600).

2^1428241 is an apocalyptic number.

It is an amenable number.

1428241 is a deficient number, since it is larger than the sum of its proper divisors (40559).

1428241 is a wasteful number, since it uses less digits than its factorization.

1428241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its digits is 512, while the sum is 22.

The square root of 1428241 is about 1195.0903731518. The cubic root of 1428241 is about 112.6161040036.

The spelling of 1428241 in words is "one million, four hundred twenty-eight thousand, two hundred forty-one".