1009055634 has 8 divisors (see below), whose sum is σ = 2018111280. Its totient is φ = 336351876.

The previous prime is 1009055617. The next prime is 1009055647. The reversal of 1009055634 is 4365509001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1009055634 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1009055595 and 1009055604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84087964 + ... + 84087975.

It is an arithmetic number, because the mean of its divisors is an integer number (252263910).

Almost surely, 2^1009055634 is an apocalyptic number.

1009055634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1009055634 is a wasteful number, since it uses less digits than its factorization.

1009055634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168175944.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 1009055634 is about 31765.6360553350. The cubic root of 1009055634 is about 1003.0094786195.

The spelling of 1009055634 in words is "one billion, nine million, fifty-five thousand, six hundred thirty-four".