40595123121 has 32 divisors (see below), whose sum is σ = 62863949568. Its totient is φ = 22822041600.

The previous prime is 40595123083. The next prime is 40595123141. The reversal of 40595123121 is 12132159504.

It is a happy number.

It is not a de Polignac number, because 40595123121 - 2⁶ = 40595123057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40595123141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 581715 + ... + 647751.

It is an arithmetic number, because the mean of its divisors is an integer number (1964498424).

Almost surely, 2^40595123121 is an apocalyptic number.

It is an amenable number.

40595123121 is a deficient number, since it is larger than the sum of its proper divisors (22268826447).

40595123121 is a wasteful number, since it uses less digits than its factorization.

40595123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66521.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 40595123121 in words is "forty billion, five hundred ninety-five million, one hundred twenty-three thousand, one hundred twenty-one".