120644877 has 8 divisors (see below), whose sum is σ = 161143840. Its totient is φ = 80287920.

The previous prime is 120644863. The next prime is 120644891. The reversal of 120644877 is 778446021.

It is an interprime number because it is at equal distance from previous prime (120644863) and next prime (120644891).

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

It is not a de Polignac number, because 120644877 - 2¹⁴ = 120628493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120644807) 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 7 ways as a sum of consecutive naturals, for example, 33502 + ... + 36927.

It is an arithmetic number, because the mean of its divisors is an integer number (20142980).

Almost surely, 2^120644877 is an apocalyptic number.

It is an amenable number.

120644877 is a deficient number, since it is larger than the sum of its proper divisors (40498963).

120644877 is an equidigital number, since it uses as much as digits as its factorization.

120644877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71003.

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 120644877 is about 10983.8461842835. The cubic root of 120644877 is about 494.1243943048.

The spelling of 120644877 in words is "one hundred twenty million, six hundred forty-four thousand, eight hundred seventy-seven".