3952938121 has 8 divisors (see below), whose sum is σ = 4313750688. Its totient is φ = 3592368000.

The previous prime is 3952938071. The next prime is 3952938127. The reversal of 3952938121 is 1218392593.

3952938121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3952938121 - 2¹⁹ = 3952413833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3952938127) 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, 25635 + ... + 92536.

It is an arithmetic number, because the mean of its divisors is an integer number (539218836).

Almost surely, 2^3952938121 is an apocalyptic number.

It is an amenable number.

3952938121 is a deficient number, since it is larger than the sum of its proper divisors (360812567).

3952938121 is a wasteful number, since it uses less digits than its factorization.

3952938121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121223.

The product of its digits is 116640, while the sum is 43.

The square root of 3952938121 is about 62872.3955404914. The cubic root of 3952938121 is about 1581.1509694296.

The spelling of 3952938121 in words is "three billion, nine hundred fifty-two million, nine hundred thirty-eight thousand, one hundred twenty-one".