3960121 has 8 divisors (see below), whose sum is σ = 4334688. Its totient is φ = 3588000.

The previous prime is 3960101. The next prime is 3960137. The reversal of 3960121 is 1210693.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3960121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3960092 and 3960101.

It is not an unprimeable number, because it can be changed into a prime (3960101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5386 + ... + 6076.

It is an arithmetic number, because the mean of its divisors is an integer number (541836).

Almost surely, 2^3960121 is an apocalyptic number.

It is an amenable number.

3960121 is a deficient number, since it is larger than the sum of its proper divisors (374567).

3960121 is a wasteful number, since it uses less digits than its factorization.

3960121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 3960121 is about 1990.0052763749. The cubic root of 3960121 is about 158.2108092429.

The spelling of 3960121 in words is "three million, nine hundred sixty thousand, one hundred twenty-one".