105048999 has 12 divisors (see below), whose sum is σ = 165531912. Its totient is φ = 63666000.

The previous prime is 105048949. The next prime is 105049013. The reversal of 105048999 is 999840501.

It is not a de Polignac number, because 105048999 - 2⁸ = 105048743 is a prime.

It is a super-2 number, since 2×105048999² = 22070584381804002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105048919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 530452 + ... + 530649.

It is an arithmetic number, because the mean of its divisors is an integer number (13794326).

Almost surely, 2^105048999 is an apocalyptic number.

105048999 is a deficient number, since it is larger than the sum of its proper divisors (60482913).

105048999 is a wasteful number, since it uses less digits than its factorization.

105048999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061118 (or 1061115 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The square root of 105048999 is about 10249.3413934750. The cubic root of 105048999 is about 471.8427714725.

It can be divided in two parts, 10504 and 8999, that added together give a triangular number (19503 = T₁₉₇).

The spelling of 105048999 in words is "one hundred five million, forty-eight thousand, nine hundred ninety-nine".