40124141 has 4 divisors (see below), whose sum is σ = 40156284. Its totient is φ = 40092000.

The previous prime is 40124129. The next prime is 40124191. The reversal of 40124141 is 14142104.

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 11874916 + 28249225 = 3446^2 + 5315^2 .

It is a cyclic number.

It is not a de Polignac number, because 40124141 - 2¹⁴ = 40107757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40124191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14120 + ... + 16721.

It is an arithmetic number, because the mean of its divisors is an integer number (10039071).

Almost surely, 2^40124141 is an apocalyptic number.

It is an amenable number.

40124141 is a deficient number, since it is larger than the sum of its proper divisors (32143).

40124141 is a wasteful number, since it uses less digits than its factorization.

40124141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32142.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 40124141 is about 6334.3619252455. The cubic root of 40124141 is about 342.3486208326.

Adding to 40124141 its reverse (14142104), we get a palindrome (54266245).

It can be divided in two parts, 401 and 24141, that added together give a palindrome (24542).

The spelling of 40124141 in words is "forty million, one hundred twenty-four thousand, one hundred forty-one".