120636634 has 8 divisors (see below), whose sum is σ = 183245760. Its totient is φ = 59554716.

The previous prime is 120636631. The next prime is 120636671. The reversal of 120636634 is 436636021.

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

It is a junction number, because it is equal to n+sod(n) for n = 120636596 and 120636605.

It is not an unprimeable number, because it can be changed into a prime (120636631) 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, 381604 + ... + 381919.

It is an arithmetic number, because the mean of its divisors is an integer number (22905720).

Almost surely, 2^120636634 is an apocalyptic number.

120636634 is a deficient number, since it is larger than the sum of its proper divisors (62609126).

120636634 is an equidigital number, since it uses as much as digits as its factorization.

120636634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763604.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 120636634 is about 10983.4709450155. The cubic root of 120636634 is about 494.1131404490.

The spelling of 120636634 in words is "one hundred twenty million, six hundred thirty-six thousand, six hundred thirty-four".