123546242 has 8 divisors (see below), whose sum is σ = 196220556. Its totient is φ = 58139392.

The previous prime is 123546223. The next prime is 123546263. The reversal of 123546242 is 242645321.

It can be written as a sum of positive squares in 2 ways, for example, as 104632441 + 18913801 = 10229^2 + 4349^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1816823 + ... + 1816890.

Almost surely, 2^123546242 is an apocalyptic number.

123546242 is a deficient number, since it is larger than the sum of its proper divisors (72674314).

123546242 is a wasteful number, since it uses less digits than its factorization.

123546242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633732.

The product of its digits is 11520, while the sum is 29.

The square root of 123546242 is about 11115.1357166703. The cubic root of 123546242 is about 498.0540927140.

The spelling of 123546242 in words is "one hundred twenty-three million, five hundred forty-six thousand, two hundred forty-two".