1023841 has 8 divisors (see below), whose sum is σ = 1260224. Its totient is φ = 810000.

The previous prime is 1023839. The next prime is 1023851. The reversal of 1023841 is 1483201.

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

It is a 4-Lehmer number, since φ(1023841) divides (1023841-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 1023841 - 2¹ = 1023839 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1023821) 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 7 ways as a sum of consecutive naturals, for example, 5535 + ... + 5716.

It is an arithmetic number, because the mean of its divisors is an integer number (157528).

2^1023841 is an apocalyptic number.

It is an amenable number.

1023841 is a deficient number, since it is larger than the sum of its proper divisors (236383).

1023841 is a wasteful number, since it uses less digits than its factorization.

1023841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11271.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1023841 is about 1011.8502853683. The cubic root of 1023841 is about 100.7884668610.

The spelling of 1023841 in words is "one million, twenty-three thousand, eight hundred forty-one".