42124121104 has 40 divisors (see below), whose sum is σ = 88154557400. Its totient is φ = 19384178688.

The previous prime is 42124121101. The next prime is 42124121119. The reversal of 42124121104 is 40112142124.

It can be written as a sum of positive squares in 4 ways, for example, as 7876917504 + 34247203600 = 88752^2 + 185060^2 .

It is not an unprimeable number, because it can be changed into a prime (42124121101) 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, 230379 + ... + 370570.

It is an arithmetic number, because the mean of its divisors is an integer number (2203863935).

Almost surely, 2^42124121104 is an apocalyptic number.

It is an amenable number.

42124121104 is an abundant number, since it is smaller than the sum of its proper divisors (46030436296).

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

42124121104 is a wasteful number, since it uses less digits than its factorization.

42124121104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601307 (or 601301 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 42124121104 its reverse (40112142124), we get a palindrome (82236263228).

The spelling of 42124121104 in words is "forty-two billion, one hundred twenty-four million, one hundred twenty-one thousand, one hundred four".