1000109958 has 16 divisors (see below), whose sum is σ = 2002278960. Its totient is φ = 333026816.

The previous prime is 1000109951. The next prime is 1000109959. The reversal of 1000109958 is 8599010001.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000109951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79443 + ... + 91166.

It is an arithmetic number, because the mean of its divisors is an integer number (125142435).

Almost surely, 2^1000109958 is an apocalyptic number.

1000109958 is an abundant number, since it is smaller than the sum of its proper divisors (1002169002).

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

1000109958 is a wasteful number, since it uses less digits than its factorization.

1000109958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171591.

The product of its (nonzero) digits is 3240, while the sum is 33.

The square root of 1000109958 is about 31624.5151425283. The cubic root of 1000109958 is about 1000.0366513233.

Adding to 1000109958 its reverse (8599010001), we get a palindrome (9599119959).

The spelling of 1000109958 in words is "one billion, one hundred nine thousand, nine hundred fifty-eight".