40512122 has 24 divisors (see below), whose sum is σ = 74850804. Its totient is φ = 16340352.

The previous prime is 40512119. The next prime is 40512127. The reversal of 40512122 is 22121504.

40512122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 38204761 + 2307361 = 6181^2 + 1519^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 40512122.

It is not an unprimeable number, because it can be changed into a prime (40512127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10493 + ... + 13824.

Almost surely, 2^40512122 is an apocalyptic number.

40512122 is a deficient number, since it is larger than the sum of its proper divisors (34338682).

40512122 is a wasteful number, since it uses less digits than its factorization.

40512122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24350 (or 24343 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 40512122 is about 6364.9133536915. The cubic root of 40512122 is about 343.4485316348.

Adding to 40512122 its reverse (22121504), we get a palindrome (62633626).

The spelling of 40512122 in words is "forty million, five hundred twelve thousand, one hundred twenty-two".