40322121 has 8 divisors (see below), whose sum is σ = 61443264. Its totient is φ = 23041200.

The previous prime is 40322101. The next prime is 40322137. The reversal of 40322121 is 12122304.

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

It is not a de Polignac number, because 40322121 - 2¹³ = 40313929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40322121.

It is not an unprimeable number, because it can be changed into a prime (40322101) 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, 960030 + ... + 960071.

It is an arithmetic number, because the mean of its divisors is an integer number (7680408).

Almost surely, 2^40322121 is an apocalyptic number.

It is an amenable number.

40322121 is a deficient number, since it is larger than the sum of its proper divisors (21121143).

40322121 is a wasteful number, since it uses less digits than its factorization.

40322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920111.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40322121 is about 6349.9701574102. The cubic root of 40322121 is about 342.9107679267.

Adding to 40322121 its reverse (12122304), we get a palindrome (52444425).

The spelling of 40322121 in words is "forty million, three hundred twenty-two thousand, one hundred twenty-one".