122554310440542 has 32 divisors (see below), whose sum is σ = 245400127822080. Its totient is φ = 40802857349760.

The previous prime is 122554310440421. The next prime is 122554310440543. The reversal of 122554310440542 is 245044013455221.

It is a super-2 number, since 2×122554310440542² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122554310440494 and 122554310440503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122554310440543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98457009 + ... + 99693987.

It is an arithmetic number, because the mean of its divisors is an integer number (7668753994440).

Almost surely, 2^{122554310440542} is an apocalyptic number.

122554310440542 is an abundant number, since it is smaller than the sum of its proper divisors (122845817381538).

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

122554310440542 is a wasteful number, since it uses less digits than its factorization.

122554310440542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256608.

The product of its (nonzero) digits is 768000, while the sum is 42.

Adding to 122554310440542 its reverse (245044013455221), we get a palindrome (367598323895763).

The spelling of 122554310440542 in words is "one hundred twenty-two trillion, five hundred fifty-four billion, three hundred ten million, four hundred forty thousand, five hundred forty-two".