123461 has 4 divisors (see below), whose sum is σ = 132972. Its totient is φ = 113952.

The previous prime is 123457. The next prime is 123479. The reversal of 123461 is 164321.

123461 = 56² + 57² + ... + 81².

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11236 + 112225 = 106^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 123461 - 2² = 123457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123401) 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, 4736 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (33243).

2¹²³⁴⁶¹ is an apocalyptic number.

It is an amenable number.

123461 is a deficient number, since it is larger than the sum of its proper divisors (9511).

123461 is an equidigital number, since it uses as much as digits as its factorization.

123461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9510.

The product of its digits is 144, while the sum is 17.

The square root of 123461 is about 351.3701751714. The cubic root of 123461 is about 49.7939520512.

Adding to 123461 its reverse (164321), we get a palindrome (287782).

The spelling of 123461 in words is "one hundred twenty-three thousand, four hundred sixty-one".