4062120891 has 8 divisors (see below), whose sum is σ = 5443655184. Its totient is φ = 2694333600.

The previous prime is 4062120889. The next prime is 4062120893. The reversal of 4062120891 is 1980212604.

It is an interprime number because it is at equal distance from previous prime (4062120889) and next prime (4062120893).

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

It is not a de Polignac number, because 4062120891 - 2¹ = 4062120889 is a prime.

It is a super-2 number, since 2×4062120891² = 33001652266197267762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4062120893) 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 7 ways as a sum of consecutive naturals, for example, 3436060 + ... + 3437241.

It is an arithmetic number, because the mean of its divisors is an integer number (680456898).

Almost surely, 2^4062120891 is an apocalyptic number.

4062120891 is a deficient number, since it is larger than the sum of its proper divisors (1381534293).

4062120891 is a wasteful number, since it uses less digits than its factorization.

4062120891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873501.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 4062120891 is about 63734.7698748493. The cubic root of 4062120891 is about 1595.5764390208.

The spelling of 4062120891 in words is "four billion, sixty-two million, one hundred twenty thousand, eight hundred ninety-one".