122404025404509 has 8 divisors (see below), whose sum is σ = 164821261931232. Its totient is φ = 80794736240400.

The previous prime is 122404025404501. The next prime is 122404025404511. The reversal of 122404025404509 is 905404520404221.

It is a happy number.

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

It is not a de Polignac number, because 122404025404509 - 2³ = 122404025404501 is a prime.

It is a super-2 number, since 2×122404025404509² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122404025404501) 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, 201986840299 + ... + 201986840904.

It is an arithmetic number, because the mean of its divisors is an integer number (20602657741404).

Almost surely, 2^{122404025404509} is an apocalyptic number.

It is an amenable number.

122404025404509 is a deficient number, since it is larger than the sum of its proper divisors (42417236526723).

122404025404509 is a wasteful number, since it uses less digits than its factorization.

122404025404509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403973681307.

The product of its (nonzero) digits is 460800, while the sum is 42.

The spelling of 122404025404509 in words is "one hundred twenty-two trillion, four hundred four billion, twenty-five million, four hundred four thousand, five hundred nine".