40121124403 has 8 divisors (see below), whose sum is σ = 40610437056. Its totient is φ = 39631953000.

The previous prime is 40121124401. The next prime is 40121124419. The reversal of 40121124403 is 30442112104.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40121124403 - 2¹ = 40121124401 is a prime.

It is a super-2 number, since 2×40121124403² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40121124401) 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, 606928 + ... + 669778.

It is an arithmetic number, because the mean of its divisors is an integer number (5076304632).

Almost surely, 2^40121124403 is an apocalyptic number.

40121124403 is a deficient number, since it is larger than the sum of its proper divisors (489312653).

40121124403 is an equidigital number, since it uses as much as digits as its factorization.

40121124403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70625.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 40121124403 its reverse (30442112104), we get a palindrome (70563236507).

The spelling of 40121124403 in words is "forty billion, one hundred twenty-one million, one hundred twenty-four thousand, four hundred three".