254123 has 4 divisors (see below), whose sum is σ = 255600. Its totient is φ = 252648.

The previous prime is 254119. The next prime is 254141. The reversal of 254123 is 321452.

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

It is a cyclic number.

It is not a de Polignac number, because 254123 - 2² = 254119 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254623) 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, 440 + ... + 837.

It is an arithmetic number, because the mean of its divisors is an integer number (63900).

2²⁵⁴¹²³ is an apocalyptic number.

254123 is a deficient number, since it is larger than the sum of its proper divisors (1477).

254123 is a wasteful number, since it uses less digits than its factorization.

254123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476.

The product of its digits is 240, while the sum is 17.

The square root of 254123 is about 504.1061396174. The cubic root of 254123 is about 63.3404762642.

Adding to 254123 its reverse (321452), we get a palindrome (575575).

The spelling of 254123 in words is "two hundred fifty-four thousand, one hundred twenty-three".