123135214 has 4 divisors (see below), whose sum is σ = 184702824. Its totient is φ = 61567606.

The previous prime is 123135179. The next prime is 123135251. The reversal of 123135214 is 412531321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412531321 = 163 ⋅2530867.

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 as a sum of consecutive naturals, namely, 30783802 + ... + 30783805.

It is an arithmetic number, because the mean of its divisors is an integer number (46175706).

Almost surely, 2^123135214 is an apocalyptic number.

123135214 is a deficient number, since it is larger than the sum of its proper divisors (61567610).

123135214 is an equidigital number, since it uses as much as digits as its factorization.

123135214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61567609.

The product of its digits is 720, while the sum is 22.

The square root of 123135214 is about 11096.6307499168. The cubic root of 123135214 is about 497.5011509784.

Adding to 123135214 its reverse (412531321), we get a palindrome (535666535).

The spelling of 123135214 in words is "one hundred twenty-three million, one hundred thirty-five thousand, two hundred fourteen".