122152554142 has 8 divisors (see below), whose sum is σ = 183557789496. Its totient is φ = 60966624312.

The previous prime is 122152554127. The next prime is 122152554151. The reversal of 122152554142 is 241455251221.

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 = 122152554098 and 122152554107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54824988 + ... + 54827215.

It is an arithmetic number, because the mean of its divisors is an integer number (22944723687).

Almost surely, 2^122152554142 is an apocalyptic number.

122152554142 is a deficient number, since it is larger than the sum of its proper divisors (61405235354).

122152554142 is a wasteful number, since it uses less digits than its factorization.

122152554142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109652762.

The product of its digits is 32000, while the sum is 34.

The spelling of 122152554142 in words is "one hundred twenty-two billion, one hundred fifty-two million, five hundred fifty-four thousand, one hundred forty-two".