3120032121 has 8 divisors (see below), whose sum is σ = 4160333760. Its totient is φ = 2079875952.

The previous prime is 3120032119. The next prime is 3120032129. The reversal of 3120032121 is 1212300213.

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

It is not a de Polignac number, because 3120032121 - 2¹ = 3120032119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3120032121.

It is not an unprimeable number, because it can be changed into a prime (3120032129) 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, 32091 + ... + 85263.

It is an arithmetic number, because the mean of its divisors is an integer number (520041720).

Almost surely, 2^3120032121 is an apocalyptic number.

It is an amenable number.

3120032121 is a deficient number, since it is larger than the sum of its proper divisors (1040301639).

3120032121 is a wasteful number, since it uses less digits than its factorization.

3120032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72735.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3120032121 is about 55857.2477034091. The cubic root of 3120032121 is about 1461.2337293389.

Adding to 3120032121 its reverse (1212300213), we get a palindrome (4332332334).

The spelling of 3120032121 in words is "three billion, one hundred twenty million, thirty-two thousand, one hundred twenty-one".