100562 has 16 divisors (see below), whose sum is σ = 188352. Its totient is φ = 39120.

The previous prime is 100559. The next prime is 100591. The reversal of 100562 is 265001.

It is a super-2 number, since 2×100562² = 20225431688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 173 + ... + 480.

It is an arithmetic number, because the mean of its divisors is an integer number (11772).

2¹⁰⁰⁵⁶² is an apocalyptic number.

100562 is a deficient number, since it is larger than the sum of its proper divisors (87790).

100562 is a wasteful number, since it uses less digits than its factorization.

100562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 100562 is about 317.1151210523. The cubic root of 100562 is about 46.5026783827.

Adding to 100562 its sum of digits (14), we get a triangular number (100576 = T₄₄₈).

Adding to 100562 its reverse (265001), we get a palindrome (365563).

The spelling of 100562 in words is "one hundred thousand, five hundred sixty-two".