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125105 = 5131191
BaseRepresentation
bin11110100010110001
320100121112
4132202301
513000410
62403105
71030511
oct364261
9210545
10125105
1185aa2
1260495
1344c36
1433841
1527105
hex1e8b1

125105 has 8 divisors (see below), whose sum is σ = 152064. Its totient is φ = 98800.

The previous prime is 125101. The next prime is 125107. The reversal of 125105 is 501521.

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

It is not a de Polignac number, because 125105 - 22 = 125101 is a prime.

It is a super-2 number, since 2×1251052 = 31302522050, which contains 22 as substring.

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 125105.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125105.

It is not an unprimeable number, because it can be changed into a prime (125101) 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, 560 + ... + 750.

It is an arithmetic number, because the mean of its divisors is an integer number (19008).

2125105 is an apocalyptic number.

It is an amenable number.

125105 is a deficient number, since it is larger than the sum of its proper divisors (26959).

125105 is a wasteful number, since it uses less digits than its factorization.

125105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327.

The product of its (nonzero) digits is 50, while the sum is 14.

The square root of 125105 is about 353.7018518470. The cubic root of 125105 is about 50.0139960818.

Adding to 125105 its reverse (501521), we get a palindrome (626626).

The spelling of 125105 in words is "one hundred twenty-five thousand, one hundred five".

Divisors: 1 5 131 191 655 955 25021 125105