120071641 has 4 divisors (see below), whose sum is σ = 121716532. Its totient is φ = 118426752.

The previous prime is 120071617. The next prime is 120071683. The reversal of 120071641 is 146170021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 146170021 = 19 ⋅7693159.

It can be written as a sum of positive squares in 2 ways, for example, as 96452041 + 23619600 = 9821^2 + 4860^2 .

It is a cyclic number.

It is not a de Polignac number, because 120071641 - 2¹⁵ = 120038873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120071141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822336 + ... + 822481.

It is an arithmetic number, because the mean of its divisors is an integer number (30429133).

Almost surely, 2^120071641 is an apocalyptic number.

It is an amenable number.

120071641 is a deficient number, since it is larger than the sum of its proper divisors (1644891).

120071641 is an equidigital number, since it uses as much as digits as its factorization.

120071641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644890.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 120071641 is about 10957.7206115141. The cubic root of 120071641 is about 493.3405519498.

The spelling of 120071641 in words is "one hundred twenty million, seventy-one thousand, six hundred forty-one".