4120329981 has 8 divisors (see below), whose sum is σ = 5495160384. Its totient is φ = 2746193120.

The previous prime is 4120329979. The next prime is 4120330043. The reversal of 4120329981 is 1899230214.

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 4120329981 - 2¹ = 4120329979 is a prime.

It is a super-2 number, since 2×4120329981² = 33954238304654920722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120329971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159360 + ... + 183401.

It is an arithmetic number, because the mean of its divisors is an integer number (686895048).

Almost surely, 2^4120329981 is an apocalyptic number.

It is an amenable number.

4120329981 is a deficient number, since it is larger than the sum of its proper divisors (1374830403).

4120329981 is a wasteful number, since it uses less digits than its factorization.

4120329981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346771.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 4120329981 is about 64189.7965489843. The cubic root of 4120329981 is about 1603.1617143870.

The spelling of 4120329981 in words is "four billion, one hundred twenty million, three hundred twenty-nine thousand, nine hundred eighty-one".