1361801 has 4 divisors (see below), whose sum is σ = 1556352. Its totient is φ = 1167252.

The previous prime is 1361791. The next prime is 1361803. The reversal of 1361801 is 1081631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1361801 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97265 + ... + 97278.

It is an arithmetic number, because the mean of its divisors is an integer number (389088).

2^1361801 is an apocalyptic number.

It is an amenable number.

1361801 is a deficient number, since it is larger than the sum of its proper divisors (194551).

1361801 is an equidigital number, since it uses as much as digits as its factorization.

1361801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194550.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1361801 is about 1166.9622958776. The cubic root of 1361801 is about 110.8420500553.

The spelling of 1361801 in words is "one million, three hundred sixty-one thousand, eight hundred one".