40122100125 has 48 divisors (see below), whose sum is σ = 72454599360. Its totient is φ = 21360636000.

The previous prime is 40122100111. The next prime is 40122100127. The reversal of 40122100125 is 52100122104.

It is not a de Polignac number, because 40122100125 - 2¹¹ = 40122098077 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40122100098 and 40122100107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122100127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611146 + ... + 673604.

It is an arithmetic number, because the mean of its divisors is an integer number (1509470820).

Almost surely, 2^40122100125 is an apocalyptic number.

40122100125 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40122100125 is a deficient number, since it is larger than the sum of its proper divisors (32332499235).

40122100125 is a wasteful number, since it uses less digits than its factorization.

40122100125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63051 (or 63038 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 40122100125 its reverse (52100122104), we get a palindrome (92222222229).

The spelling of 40122100125 in words is "forty billion, one hundred twenty-two million, one hundred thousand, one hundred twenty-five".