120541647 has 16 divisors (see below), whose sum is σ = 163134720. Its totient is φ = 79160832.

The previous prime is 120541633. The next prime is 120541657. The reversal of 120541647 is 746145021.

It is not a de Polignac number, because 120541647 - 2⁶ = 120541583 is a prime.

It is a super-2 number, since 2×120541647² = 29060577322945218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120541627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143254 + ... + 144092.

It is an arithmetic number, because the mean of its divisors is an integer number (10195920).

Almost surely, 2^120541647 is an apocalyptic number.

120541647 is a deficient number, since it is larger than the sum of its proper divisors (42593073).

120541647 is an equidigital number, since it uses as much as digits as its factorization.

120541647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 120541647 is about 10979.1460050406. The cubic root of 120541647 is about 493.9834212885.

Adding to 120541647 its reverse (746145021), we get a palindrome (866686668).

The spelling of 120541647 in words is "one hundred twenty million, five hundred forty-one thousand, six hundred forty-seven".