403040120420125 has 32 divisors (see below), whose sum is σ = 510540490871424. Its totient is φ = 317595383424000.

The previous prime is 403040120420081. The next prime is 403040120420153. The reversal of 403040120420125 is 521024021040304.

It is not a de Polignac number, because 403040120420125 - 2¹¹ = 403040120418077 is a prime.

It is a super-2 number, since 2×403040120420125² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403040120420093 and 403040120420102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108054514 + ... + 111722236.

It is an arithmetic number, because the mean of its divisors is an integer number (15954390339732).

Almost surely, 2^{403040120420125} is an apocalyptic number.

It is an amenable number.

403040120420125 is a deficient number, since it is larger than the sum of its proper divisors (107500370451299).

403040120420125 is a wasteful number, since it uses less digits than its factorization.

403040120420125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3680926 (or 3680916 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 403040120420125 its reverse (521024021040304), we get a palindrome (924064141460429).

The spelling of 403040120420125 in words is "four hundred three trillion, forty billion, one hundred twenty million, four hundred twenty thousand, one hundred twenty-five".