122240155404 has 24 divisors (see below), whose sum is σ = 285256399680. Its totient is φ = 40742522704.

The previous prime is 122240155393. The next prime is 122240155423. The reversal of 122240155404 is 404551042221.

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 7 ways as a sum of consecutive naturals, for example, 401934 + ... + 637205.

It is an arithmetic number, because the mean of its divisors is an integer number (11885683320).

Almost surely, 2^122240155404 is an apocalyptic number.

It is an amenable number.

122240155404 is an abundant number, since it is smaller than the sum of its proper divisors (163016244276).

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

122240155404 is a wasteful number, since it uses less digits than its factorization.

122240155404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048949 (or 1048947 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 122240155404 its reverse (404551042221), we get a palindrome (526791197625).

The spelling of 122240155404 in words is "one hundred twenty-two billion, two hundred forty million, one hundred fifty-five thousand, four hundred four".