1801082 has 8 divisors (see below), whose sum is σ = 2860596. Its totient is φ = 847552.

The previous prime is 1801073. The next prime is 1801091. The reversal of 1801082 is 2801081.

It is an interprime number because it is at equal distance from previous prime (1801073) and next prime (1801091).

It can be written as a sum of positive squares in 2 ways, for example, as 1560001 + 241081 = 1249^2 + 491^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26453 + ... + 26520.

2^1801082 is an apocalyptic number.

1801082 is a deficient number, since it is larger than the sum of its proper divisors (1059514).

1801082 is a wasteful number, since it uses less digits than its factorization.

1801082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52992.

The product of its (nonzero) digits is 128, while the sum is 20.

The square root of 1801082 is about 1342.0439635124. The cubic root of 1801082 is about 121.6684088906.

Subtracting 1801082 from its reverse (2801081), we obtain a palindrome (999999).

The spelling of 1801082 in words is "one million, eight hundred one thousand, eighty-two".