40121033 has 8 divisors (see below), whose sum is σ = 41196288. Its totient is φ = 39055104.

The previous prime is 40121023. The next prime is 40121057. The reversal of 40121033 is 33012104.

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

It is a cyclic number.

It is not a de Polignac number, because 40121033 - 2⁸ = 40120777 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40120999 and 40121017.

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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6860 + ... + 11282.

It is an arithmetic number, because the mean of its divisors is an integer number (5149536).

Almost surely, 2^40121033 is an apocalyptic number.

It is an amenable number.

40121033 is a deficient number, since it is larger than the sum of its proper divisors (1075255).

40121033 is a wasteful number, since it uses less digits than its factorization.

40121033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 40121033 is about 6334.1165919171. The cubic root of 40121033 is about 342.3397812084.

Adding to 40121033 its reverse (33012104), we get a palindrome (73133137).

The spelling of 40121033 in words is "forty million, one hundred twenty-one thousand, thirty-three".