122115142 has 8 divisors (see below), whose sum is σ = 191136816. Its totient is φ = 58402872.

The previous prime is 122115121. The next prime is 122115157. The reversal of 122115142 is 241511221.

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

It is a congruent number.

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, 1327293 + ... + 1327384.

It is an arithmetic number, because the mean of its divisors is an integer number (23892102).

Almost surely, 2^122115142 is an apocalyptic number.

122115142 is a deficient number, since it is larger than the sum of its proper divisors (69021674).

122115142 is a wasteful number, since it uses less digits than its factorization.

122115142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654702.

The product of its digits is 160, while the sum is 19.

The square root of 122115142 is about 11050.5720213933. The cubic root of 122115142 is about 496.1235465521.

Adding to 122115142 its reverse (241511221), we get a palindrome (363626363).

The spelling of 122115142 in words is "one hundred twenty-two million, one hundred fifteen thousand, one hundred forty-two".