1051801 has 4 divisors (see below), whose sum is σ = 1088100. Its totient is φ = 1015504.

The previous prime is 1051789. The next prime is 1051811. The reversal of 1051801 is 1081501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 198025 = 924^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051801 - 2¹⁵ = 1019033 is a prime.

It is a super-2 number, since 2×1051801² = 2212570687202, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

1051801 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1051811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18106 + ... + 18163.

It is an arithmetic number, because the mean of its divisors is an integer number (272025).

2^1051801 is an apocalyptic number.

It is an amenable number.

1051801 is a deficient number, since it is larger than the sum of its proper divisors (36299).

1051801 is an equidigital number, since it uses as much as digits as its factorization.

1051801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36298.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1051801 is about 1025.5734980975. The cubic root of 1051801 is about 101.6977145461.

The spelling of 1051801 in words is "one million, fifty-one thousand, eight hundred one".