634553124 has 12 divisors (see below), whose sum is σ = 1480623984. Its totient is φ = 211517704.

The previous prime is 634553123. The next prime is 634553137. The reversal of 634553124 is 421355436.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (634553123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26439702 + ... + 26439725.

It is an arithmetic number, because the mean of its divisors is an integer number (123385332).

Almost surely, 2^634553124 is an apocalyptic number.

It is an amenable number.

634553124 is an abundant number, since it is smaller than the sum of its proper divisors (846070860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634553124 is a wasteful number, since it uses less digits than its factorization.

634553124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52879434 (or 52879432 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The square root of 634553124 is about 25190.3379096034. The cubic root of 634553124 is about 859.3221285273.

The spelling of 634553124 in words is "six hundred thirty-four million, five hundred fifty-three thousand, one hundred twenty-four".