634121282 has 4 divisors (see below), whose sum is σ = 951181926. Its totient is φ = 317060640.

The previous prime is 634121263. The next prime is 634121303. The reversal of 634121282 is 282121436.

It is a happy number.

634121282 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 can be written as a sum of positive squares in only one way, i.e., 384512881 + 249608401 = 19609^2 + 15799^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158530319 + ... + 158530322.

Almost surely, 2^634121282 is an apocalyptic number.

634121282 is a deficient number, since it is larger than the sum of its proper divisors (317060644).

634121282 is a wasteful number, since it uses less digits than its factorization.

634121282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317060643.

The product of its digits is 4608, while the sum is 29.

The square root of 634121282 is about 25181.7648706361. The cubic root of 634121282 is about 859.1271484771.

The spelling of 634121282 in words is "six hundred thirty-four million, one hundred twenty-one thousand, two hundred eighty-two".