634126 has 4 divisors (see below), whose sum is σ = 951192. Its totient is φ = 317062.

The previous prime is 634103. The next prime is 634141. The reversal of 634126 is 621436.

634126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 6² + 3¹⁰ + 1 + 4⁶ + 2¹⁹ + 6⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 634097 and 634106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158530 + ... + 158533.

It is an arithmetic number, because the mean of its divisors is an integer number (237798).

2⁶³⁴¹²⁶ is an apocalyptic number.

634126 is a deficient number, since it is larger than the sum of its proper divisors (317066).

634126 is a wasteful number, since it uses less digits than its factorization.

634126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317065.

The product of its digits is 864, while the sum is 22.

The square root of 634126 is about 796.3202873216. The cubic root of 634126 is about 85.9129279169.

The spelling of 634126 in words is "six hundred thirty-four thousand, one hundred twenty-six".