40965121 has 8 divisors (see below), whose sum is σ = 45658080. Its totient is φ = 36525888.

The previous prime is 40965103. The next prime is 40965157. The reversal of 40965121 is 12156904.

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 40965121 - 2²³ = 32576513 is a prime.

It is a super-2 number, since 2×40965121² = 3356282277089282, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40965121.

It is not an unprimeable number, because it can be changed into a prime (40965161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63091 + ... + 63736.

It is an arithmetic number, because the mean of its divisors is an integer number (5707260).

Almost surely, 2^40965121 is an apocalyptic number.

It is an amenable number.

40965121 is a deficient number, since it is larger than the sum of its proper divisors (4692959).

40965121 is a wasteful number, since it uses less digits than its factorization.

40965121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126863.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 40965121 is about 6400.4000656209. The cubic root of 40965121 is about 344.7239155096.

The spelling of 40965121 in words is "forty million, nine hundred sixty-five thousand, one hundred twenty-one".