122555231530542 has 48 divisors (see below), whose sum is σ = 266667959020320. Its totient is φ = 40677685747200.

The previous prime is 122555231530513. The next prime is 122555231530549. The reversal of 122555231530542 is 245035132555221.

122555231530542 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 5 + 52 + 3 + 1 + 53 + 0 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555231530549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37332567 + ... + 40482477.

It is an arithmetic number, because the mean of its divisors is an integer number (5555582479590).

Almost surely, 2^{122555231530542} is an apocalyptic number.

122555231530542 is an abundant number, since it is smaller than the sum of its proper divisors (144112727489778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122555231530542 is a wasteful number, since it uses less digits than its factorization.

122555231530542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3159129 (or 3159126 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 122555231530542 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty-one million, five hundred thirty thousand, five hundred forty-two".