123254142 has 32 divisors (see below), whose sum is σ = 271952640. Its totient is φ = 36928320.

The previous prime is 123254137. The next prime is 123254177. The reversal of 123254142 is 241452321.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 4618 + ... + 16365.

It is an arithmetic number, because the mean of its divisors is an integer number (8498520).

Almost surely, 2^123254142 is an apocalyptic number.

123254142 is an abundant number, since it is smaller than the sum of its proper divisors (148698498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123254142 is a wasteful number, since it uses less digits than its factorization.

123254142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21088.

The product of its digits is 1920, while the sum is 24.

The square root of 123254142 is about 11101.9882003180. The cubic root of 123254142 is about 497.6612670458.

The spelling of 123254142 in words is "one hundred twenty-three million, two hundred fifty-four thousand, one hundred forty-two".