561102 has 16 divisors (see below), whose sum is σ = 1188432. Its totient is φ = 176000.

The previous prime is 561101. The next prime is 561103. The reversal of 561102 is 201165.

It is an interprime number because it is at equal distance from previous prime (561101) and next prime (561103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561101) 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 7 ways as a sum of consecutive naturals, for example, 2649 + ... + 2852.

It is an arithmetic number, because the mean of its divisors is an integer number (74277).

2⁵⁶¹¹⁰² is an apocalyptic number.

561102 is an abundant number, since it is smaller than the sum of its proper divisors (627330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561102 is a wasteful number, since it uses less digits than its factorization.

561102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5523.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 561102 is about 749.0674201966. The cubic root of 561102 is about 82.4797379074.

Adding to 561102 its reverse (201165), we get a palindrome (762267).

The spelling of 561102 in words is "five hundred sixty-one thousand, one hundred two".