120634 has 4 divisors (see below), whose sum is σ = 180954. Its totient is φ = 60316.

The previous prime is 120623. The next prime is 120641. The reversal of 120634 is 436021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436021 = 631 ⋅691.

It can be written as a sum of positive squares in only one way, i.e., 120409 + 225 = 347^2 + 15^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30157 + ... + 30160.

2¹²⁰⁶³⁴ is an apocalyptic number.

120634 is a deficient number, since it is larger than the sum of its proper divisors (60320).

120634 is an equidigital number, since it uses as much as digits as its factorization.

120634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60319.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 120634 is about 347.3240561781. The cubic root of 120634 is about 49.4109544240.

Adding to 120634 its reverse (436021), we get a palindrome (556655).

The spelling of 120634 in words is "one hundred twenty thousand, six hundred thirty-four".