100461 has 4 divisors (see below), whose sum is σ = 133952. Its totient is φ = 66972.

The previous prime is 100459. The next prime is 100469. The reversal of 100461 is 164001.

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, and also an emirpimes, since its reverse is a distinct semiprime: 164001 = 3 ⋅54667.

It is not a de Polignac number, because 100461 - 2¹ = 100459 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100469) 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, 16741 + ... + 16746.

It is an arithmetic number, because the mean of its divisors is an integer number (33488).

2¹⁰⁰⁴⁶¹ is an apocalyptic number.

It is an amenable number.

100461 is a deficient number, since it is larger than the sum of its proper divisors (33491).

100461 is an equidigital number, since it uses as much as digits as its factorization.

100461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33490.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 100461 is about 316.9558328853. The cubic root of 100461 is about 46.4871047605.

Adding to 100461 its reverse (164001), we get a palindrome (264462).

It can be divided in two parts, 100 and 461, that added together give a triangular number (561 = T₃₃).

The spelling of 100461 in words is "one hundred thousand, four hundred sixty-one".