40121022 has 16 divisors (see below), whose sum is σ = 81144720. Its totient is φ = 13223232.

The previous prime is 40121009. The next prime is 40121023. The reversal of 40121022 is 22012104.

40121022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40120989 and 40121007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40121023) 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 7 ways as a sum of consecutive naturals, for example, 37033 + ... + 38100.

It is an arithmetic number, because the mean of its divisors is an integer number (5071545).

Almost surely, 2^40121022 is an apocalyptic number.

40121022 is an abundant number, since it is smaller than the sum of its proper divisors (41023698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40121022 is a wasteful number, since it uses less digits than its factorization.

40121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75227.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40121022 is about 6334.1157236034. The cubic root of 40121022 is about 342.3397499219.

Adding to 40121022 its reverse (22012104), we get a palindrome (62133126).

It can be divided in two parts, 4012102 and 2, that added together give a palindrome (4012104).

The spelling of 40121022 in words is "forty million, one hundred twenty-one thousand, twenty-two".