123542134 has 8 divisors (see below), whose sum is σ = 187851960. Its totient is φ = 60924816.

The previous prime is 123542129. The next prime is 123542147. The reversal of 123542134 is 431245321.

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

It is a junction number, because it is equal to n+sod(n) for n = 123542099 and 123542108.

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, 422944 + ... + 423235.

It is an arithmetic number, because the mean of its divisors is an integer number (23481495).

Almost surely, 2^123542134 is an apocalyptic number.

123542134 is a deficient number, since it is larger than the sum of its proper divisors (64309826).

123542134 is an equidigital number, since it uses as much as digits as its factorization.

123542134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846254.

The product of its digits is 2880, while the sum is 25.

The square root of 123542134 is about 11114.9509220689. The cubic root of 123542134 is about 498.0485724358.

Adding to 123542134 its reverse (431245321), we get a palindrome (554787455).

The spelling of 123542134 in words is "one hundred twenty-three million, five hundred forty-two thousand, one hundred thirty-four".