1361055 has 16 divisors (see below), whose sum is σ = 2248704. Its totient is φ = 702240.

The previous prime is 1361053. The next prime is 1361069. The reversal of 1361055 is 5501631.

It is a happy number.

It is not a de Polignac number, because 1361055 - 2¹ = 1361053 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999 + ... + 1928.

It is an arithmetic number, because the mean of its divisors is an integer number (140544).

2^1361055 is an apocalyptic number.

1361055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1361055 is a deficient number, since it is larger than the sum of its proper divisors (887649).

1361055 is a wasteful number, since it uses less digits than its factorization.

1361055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2966.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1361055 is about 1166.6426187998. The cubic root of 1361055 is about 110.8218064532.

Adding to 1361055 its reverse (5501631), we get a palindrome (6862686).

The spelling of 1361055 in words is "one million, three hundred sixty-one thousand, fifty-five".