1082401 has 4 divisors (see below), whose sum is σ = 1084804. Its totient is φ = 1080000.

The previous prime is 1082399. The next prime is 1082429. The reversal of 1082401 is 1042801.

It is a happy number.

1082401 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1042801 = 809 ⋅1289.

It can be written as a sum of positive squares in 2 ways, for example, as 518400 + 564001 = 720^2 + 751^2 .

It is a 3-Lehmer number, since φ(1082401) divides (1082401-1)³.

It is a cyclic number.

It is not a de Polignac number, because 1082401 - 2¹ = 1082399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1082491) by changing a digit.

It is a nontrivial repunit in base 32.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300 + ... + 1501.

It is an arithmetic number, because the mean of its divisors is an integer number (271201).

It is a Poulet number, since it divides 2^1082400-1.

2^1082401 is an apocalyptic number.

1082401 is the 601-st octagonal number.

It is an amenable number.

1082401 is a deficient number, since it is larger than the sum of its proper divisors (2403).

1082401 is an equidigital number, since it uses as much as digits as its factorization.

1082401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1082401 is about 1040.3850248826. The cubic root of 1082401 is about 102.6745311248.

It can be divided in two parts, 108240 and 1, that added together give a square (108241 = 329²).

The spelling of 1082401 in words is "one million, eighty-two thousand, four hundred one".