4032272121 has 16 divisors (see below), whose sum is σ = 5428996800. Its totient is φ = 2661975360.

The previous prime is 4032272107. The next prime is 4032272129. The reversal of 4032272121 is 1212722304.

It is not a de Polignac number, because 4032272121 - 2⁵ = 4032272089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4032272091 and 4032272100.

It is not an unprimeable number, because it can be changed into a prime (4032272129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134331 + ... + 161583.

It is an arithmetic number, because the mean of its divisors is an integer number (339312300).

Almost surely, 2^4032272121 is an apocalyptic number.

It is an amenable number.

4032272121 is a deficient number, since it is larger than the sum of its proper divisors (1396724679).

4032272121 is a wasteful number, since it uses less digits than its factorization.

4032272121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27736.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 4032272121 is about 63500.1741808635. The cubic root of 4032272121 is about 1591.6586887362.

Adding to 4032272121 its reverse (1212722304), we get a palindrome (5244994425).

The spelling of 4032272121 in words is "four billion, thirty-two million, two hundred seventy-two thousand, one hundred twenty-one".