123450254 has 4 divisors (see below), whose sum is σ = 185175384. Its totient is φ = 61725126.

The previous prime is 123450253. The next prime is 123450259. The reversal of 123450254 is 452054321.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123450253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30862562 + ... + 30862565.

It is an arithmetic number, because the mean of its divisors is an integer number (46293846).

Almost surely, 2^123450254 is an apocalyptic number.

123450254 is a deficient number, since it is larger than the sum of its proper divisors (61725130).

123450254 is an equidigital number, since it uses as much as digits as its factorization.

123450254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61725129.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 123450254 is about 11110.8169816625. The cubic root of 123450254 is about 497.9250732691.

The spelling of 123450254 in words is "one hundred twenty-three million, four hundred fifty thousand, two hundred fifty-four".