40059121 has 4 divisors (see below), whose sum is σ = 41440500. Its totient is φ = 38677744.

The previous prime is 40059113. The next prime is 40059133. The reversal of 40059121 is 12195004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17969121 + 22090000 = 4239^2 + 4700^2 .

It is a cyclic number.

It is not a de Polignac number, because 40059121 - 2³ = 40059113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40059092 and 40059101.

It is not an unprimeable number, because it can be changed into a prime (40059421) 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 3 ways as a sum of consecutive naturals, for example, 690646 + ... + 690703.

It is an arithmetic number, because the mean of its divisors is an integer number (10360125).

Almost surely, 2^40059121 is an apocalyptic number.

It is an amenable number.

40059121 is a deficient number, since it is larger than the sum of its proper divisors (1381379).

40059121 is a wasteful number, since it uses less digits than its factorization.

40059121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381378.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 40059121 is about 6329.2275200059. The cubic root of 40059121 is about 342.1635988713.

The spelling of 40059121 in words is "forty million, fifty-nine thousand, one hundred twenty-one".