100061 has 8 divisors (see below), whose sum is σ = 110880. Its totient is φ = 89712.

The previous prime is 100057. The next prime is 100069. The reversal of 100061 is 160001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100061 - 2² = 100057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470 + ... + 648.

It is an arithmetic number, because the mean of its divisors is an integer number (13860).

2¹⁰⁰⁰⁶¹ is an apocalyptic number.

It is an amenable number.

100061 is a deficient number, since it is larger than the sum of its proper divisors (10819).

100061 is a wasteful number, since it uses less digits than its factorization.

100061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 100061 is about 316.3242007814. The cubic root of 100061 is about 46.4253243150.

Adding to 100061 its reverse (160001), we get a palindrome (260062).

The spelling of 100061 in words is "one hundred thousand, sixty-one".