120506641 has 4 divisors (see below), whose sum is σ = 124393984. Its totient is φ = 116619300.

The previous prime is 120506627. The next prime is 120506647. The reversal of 120506641 is 146605021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146605021 = 61 ⋅2403361.

It is a cyclic number.

It is not a de Polignac number, because 120506641 - 2²³ = 112118033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120506647) 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, 1943625 + ... + 1943686.

It is an arithmetic number, because the mean of its divisors is an integer number (31098496).

Almost surely, 2^120506641 is an apocalyptic number.

It is an amenable number.

120506641 is a deficient number, since it is larger than the sum of its proper divisors (3887343).

120506641 is an equidigital number, since it uses as much as digits as its factorization.

120506641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887342.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 120506641 is about 10977.5516851436. The cubic root of 120506641 is about 493.9355980996.

The spelling of 120506641 in words is "one hundred twenty million, five hundred six thousand, six hundred forty-one".