40122122 has 8 divisors (see below), whose sum is σ = 62124672. Its totient is φ = 19413900.

The previous prime is 40122107. The next prime is 40122151. The reversal of 40122122 is 22122104.

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

It is a junction number, because it is equal to n+sod(n) for n = 40122097 and 40122106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323504 + ... + 323627.

It is an arithmetic number, because the mean of its divisors is an integer number (7765584).

Almost surely, 2^40122122 is an apocalyptic number.

40122122 is a deficient number, since it is larger than the sum of its proper divisors (22002550).

40122122 is a wasteful number, since it uses less digits than its factorization.

40122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647164.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40122122 is about 6334.2025543868. The cubic root of 40122122 is about 342.3428785418.

Adding to 40122122 its reverse (22122104), we get a palindrome (62244226).

The spelling of 40122122 in words is "forty million, one hundred twenty-two thousand, one hundred twenty-two".