105478199 has 16 divisors (see below), whose sum is σ = 111476736. Its totient is φ = 99691200.

The previous prime is 105478189. The next prime is 105478223. The reversal of 105478199 is 991874501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105478199 is a prime.

It is a super-2 number, since 2×105478199² = 22251300928567202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105478129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244514 + ... + 244944.

It is an arithmetic number, because the mean of its divisors is an integer number (6967296).

Almost surely, 2^105478199 is an apocalyptic number.

105478199 is a deficient number, since it is larger than the sum of its proper divisors (5998537).

105478199 is a wasteful number, since it uses less digits than its factorization.

105478199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 105478199 is about 10270.2579811804. The cubic root of 105478199 is about 472.4845029118.

The spelling of 105478199 in words is "one hundred five million, four hundred seventy-eight thousand, one hundred ninety-nine".