105450125 has 32 divisors (see below), whose sum is σ = 146375424. Its totient is φ = 75192000.

The previous prime is 105450091. The next prime is 105450139. The reversal of 105450125 is 521054501.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-105450125 is a prime.

It is a super-2 number, since 2×105450125² = 22239457725031250, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105450125.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 72152 + ... + 73598.

It is an arithmetic number, because the mean of its divisors is an integer number (4574232).

Almost surely, 2^105450125 is an apocalyptic number.

It is an amenable number.

105450125 is a deficient number, since it is larger than the sum of its proper divisors (40925299).

105450125 is a wasteful number, since it uses less digits than its factorization.

105450125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 105450125 is about 10268.8911280625. The cubic root of 105450125 is about 472.4425804827.

The spelling of 105450125 in words is "one hundred five million, four hundred fifty thousand, one hundred twenty-five".