Search a number
-
+
125125125 = 353333667
BaseRepresentation
bin1110111010101…
…00001000000101
322201110000101220
413131110020011
5224013001000
620225510553
73046355166
oct735241005
9281400356
10125125125
11646a23a4
1235aa2459
131cbcc948
141289176d
15aeb91a0
hex7754205

125125125 has 16 divisors (see below), whose sum is σ = 208208832. Its totient is φ = 66733200.

The previous prime is 125125109. The next prime is 125125199. The reversal of 125125125 is 521521521.

It is not a de Polignac number, because 125125125 - 24 = 125125109 is a prime.

125125125 is a modest number, since divided by 125125 gives 125 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 125125095 and 125125104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166459 + ... + 167208.

It is an arithmetic number, because the mean of its divisors is an integer number (13013052).

Almost surely, 2125125125 is an apocalyptic number.

125125125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125125125 is a deficient number, since it is larger than the sum of its proper divisors (83083707).

125125125 is an equidigital number, since it uses as much as digits as its factorization.

125125125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333685 (or 333675 counting only the distinct ones).

The product of its digits is 1000, while the sum is 24.

The square root of 125125125 is about 11185.9342479741. The cubic root of 125125125 is about 500.1667776975.

Adding to 125125125 its reverse (521521521), we get a palindrome (646646646).

It can be divided in two parts, 125125 and 125, that added together give a triangular number (125250 = T500).

The spelling of 125125125 in words is "one hundred twenty-five million, one hundred twenty-five thousand, one hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 333667 1001001 1668335 5005005 8341675 25025025 41708375 125125125