105071898 has 8 divisors (see below), whose sum is σ = 210143808. Its totient is φ = 35023964.

The previous prime is 105071873. The next prime is 105071921. The reversal of 105071898 is 898170501.

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

105071898 is an admirable number.

It is a super-2 number, since 2×105071898² = 22080207498644808, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8755986 + ... + 8755997.

It is an arithmetic number, because the mean of its divisors is an integer number (26267976).

Almost surely, 2^105071898 is an apocalyptic number.

105071898 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.

105071898 is a wasteful number, since it uses less digits than its factorization.

105071898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17511988.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 105071898 is about 10250.4584287728. The cubic root of 105071898 is about 471.8770537051.

The spelling of 105071898 in words is "one hundred five million, seventy-one thousand, eight hundred ninety-eight".