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125025125 = 532343487
BaseRepresentation
bin1110111001110…
…11101101100101
322201020221020012
413130323231211
5224001301000
620223420005
73045460511
oct734735545
9281227205
10125025125
1164634255
1235a54605
131cb96284
1412867141
15ae99735
hex773bb65

125025125 has 16 divisors (see below), whose sum is σ = 162819072. Its totient is φ = 95669200.

The previous prime is 125025101. The next prime is 125025137. The reversal of 125025125 is 521520521.

It is not a de Polignac number, because 125025125 - 28 = 125024869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

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 125025125.

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, 18869 + ... + 24618.

It is an arithmetic number, because the mean of its divisors is an integer number (10176192).

Almost surely, 2125025125 is an apocalyptic number.

It is an amenable number.

125025125 is a deficient number, since it is larger than the sum of its proper divisors (37793947).

125025125 is an equidigital number, since it uses as much as digits as its factorization.

125025125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43525 (or 43515 counting only the distinct ones).

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

The square root of 125025125 is about 11181.4634552012. The cubic root of 125025125 is about 500.0334977558.

Adding to 125025125 its reverse (521520521), we get a palindrome (646545646).

The spelling of 125025125 in words is "one hundred twenty-five million, twenty-five thousand, one hundred twenty-five".

Divisors: 1 5 23 25 115 125 575 2875 43487 217435 1000201 1087175 5001005 5435875 25005025 125025125