120644627 has 4 divisors (see below), whose sum is σ = 123450360. Its totient is φ = 117838896.

The previous prime is 120644599. The next prime is 120644647. The reversal of 120644627 is 726446021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120644627 - 2¹⁰ = 120643603 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120644593 and 120644602.

It is not an unprimeable number, because it can be changed into a prime (120644647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1402802 + ... + 1402887.

It is an arithmetic number, because the mean of its divisors is an integer number (30862590).

Almost surely, 2^120644627 is an apocalyptic number.

120644627 is a deficient number, since it is larger than the sum of its proper divisors (2805733).

120644627 is an equidigital number, since it uses as much as digits as its factorization.

120644627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2805732.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 120644627 is about 10983.8348039289. The cubic root of 120644627 is about 494.1240529968.

The spelling of 120644627 in words is "one hundred twenty million, six hundred forty-four thousand, six hundred twenty-seven".