634122027 has 80 divisors (see below), whose sum is σ = 1188456192. Its totient is φ = 327343680.

The previous prime is 634122011. The next prime is 634122059. The reversal of 634122027 is 720221436.

634122027 is a `hidden beast` number, since 634 + 1 + 2 + 2 + 0 + 27 = 666.

It is not a de Polignac number, because 634122027 - 2⁴ = 634122011 is a prime.

It is a super-2 number, since 2×634122027² = 804221490253177458, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (634122067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1827268 + ... + 1827614.

Almost surely, 2^634122027 is an apocalyptic number.

634122027 is a deficient number, since it is larger than the sum of its proper divisors (554334165).

634122027 is a wasteful number, since it uses less digits than its factorization.

634122027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 634122027 is about 25181.7796630818. The cubic root of 634122027 is about 859.1274849266.

The spelling of 634122027 in words is "six hundred thirty-four million, one hundred twenty-two thousand, twenty-seven".