123054742 has 8 divisors (see below), whose sum is σ = 188509536. Its totient is φ = 60218232.

The previous prime is 123054739. The next prime is 123054791. The reversal of 123054742 is 247450321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 123054742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 654453 + ... + 654640.

It is an arithmetic number, because the mean of its divisors is an integer number (23563692).

Almost surely, 2^123054742 is an apocalyptic number.

123054742 is a deficient number, since it is larger than the sum of its proper divisors (65454794).

123054742 is a wasteful number, since it uses less digits than its factorization.

123054742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309142.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 123054742 is about 11093.0041918319. The cubic root of 123054742 is about 497.3927508011.

The spelling of 123054742 in words is "one hundred twenty-three million, fifty-four thousand, seven hundred forty-two".