122541887121 has 8 divisors (see below), whose sum is σ = 163391408640. Its totient is φ = 81693478512.

The previous prime is 122541887113. The next prime is 122541887161. The reversal of 122541887121 is 121788145221.

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

It is not a de Polignac number, because 122541887121 - 2³ = 122541887113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122541887161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26320 + ... + 495758.

It is an arithmetic number, because the mean of its divisors is an integer number (20423926080).

Almost surely, 2^122541887121 is an apocalyptic number.

It is an amenable number.

122541887121 is a deficient number, since it is larger than the sum of its proper divisors (40849521519).

122541887121 is an equidigital number, since it uses as much as digits as its factorization.

122541887121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556455.

The product of its digits is 71680, while the sum is 42.

The spelling of 122541887121 in words is "one hundred twenty-two billion, five hundred forty-one million, eight hundred eighty-seven thousand, one hundred twenty-one".