40324121 has 2 divisors, whose sum is σ = 40324122. Its totient is φ = 40324120.

The previous prime is 40324093. The next prime is 40324133. The reversal of 40324121 is 12142304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24364096 + 15960025 = 4936^2 + 3995^2 .

It is a cyclic number.

It is not a de Polignac number, because 40324121 - 2¹⁰ = 40323097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40324121.

It is not a weakly prime, because it can be changed into another prime (40324021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20162060 + 20162061.

It is an arithmetic number, because the mean of its divisors is an integer number (20162061).

Almost surely, 2^40324121 is an apocalyptic number.

It is an amenable number.

40324121 is a deficient number, since it is larger than the sum of its proper divisors (1).

40324121 is an equidigital number, since it uses as much as digits as its factorization.

40324121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40324121 is about 6350.1276365125. The cubic root of 40324121 is about 342.9164373557.

Adding to 40324121 its reverse (12142304), we get a palindrome (52466425).

The spelling of 40324121 in words is "forty million, three hundred twenty-four thousand, one hundred twenty-one".