40122112 has 18 divisors (see below), whose sum is σ = 80088008. Its totient is φ = 20060928.

The previous prime is 40122107. The next prime is 40122151. The reversal of 40122112 is 21122104.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40122092 and 40122101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78108 + ... + 78619.

Almost surely, 2^40122112 is an apocalyptic number.

It is an amenable number.

40122112 is a deficient number, since it is larger than the sum of its proper divisors (39965896).

40122112 is an equidigital number, since it uses as much as digits as its factorization.

40122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156743 (or 156729 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 40122112 is about 6334.2017650214. The cubic root of 40122112 is about 342.3428501001.

Adding to 40122112 its reverse (21122104), we get a palindrome (61244216).

The spelling of 40122112 in words is "forty million, one hundred twenty-two thousand, one hundred twelve".