122530142 has 8 divisors (see below), whose sum is σ = 210051696. Its totient is φ = 52512912.

The previous prime is 122530141. The next prime is 122530159. The reversal of 122530142 is 241035221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122530141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4376063 + ... + 4376090.

It is an arithmetic number, because the mean of its divisors is an integer number (26256462).

Almost surely, 2^122530142 is an apocalyptic number.

122530142 is a deficient number, since it is larger than the sum of its proper divisors (87521554).

122530142 is an equidigital number, since it uses as much as digits as its factorization.

122530142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8752162.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 122530142 is about 11069.3334035975. Note that the first 3 decimals coincide. The cubic root of 122530142 is about 496.6849251329.

Adding to 122530142 its reverse (241035221), we get a palindrome (363565363).

The spelling of 122530142 in words is "one hundred twenty-two million, five hundred thirty thousand, one hundred forty-two".