40122125403 has 4 divisors (see below), whose sum is σ = 53496167208. Its totient is φ = 26748083600.

The previous prime is 40122125401. The next prime is 40122125411. The reversal of 40122125403 is 30452122104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40122125403 - 2¹ = 40122125401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40122125401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6687020898 + ... + 6687020903.

It is an arithmetic number, because the mean of its divisors is an integer number (13374041802).

Almost surely, 2^40122125403 is an apocalyptic number.

40122125403 is a deficient number, since it is larger than the sum of its proper divisors (13374041805).

40122125403 is a wasteful number, since it uses less digits than its factorization.

40122125403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374041804.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 40122125403 its reverse (30452122104), we get a palindrome (70574247507).

It can be divided in two parts, 401221 and 25403, that added together give a palindrome (426624).

The spelling of 40122125403 in words is "forty billion, one hundred twenty-two million, one hundred twenty-five thousand, four hundred three".