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125227135 = 511331607
BaseRepresentation
bin1110111011011…
…01000001111111
322201122012100001
413131231001333
5224024232020
620232015131
73050261455
oct735550177
9281565301
10125227135
1164762000
1235b314a7
131cc371c7
14128ba9d5
15aed950a
hex776d07f

125227135 has 32 divisors (see below), whose sum is σ = 170901504. Its totient is φ = 87991200.

The previous prime is 125227127. The next prime is 125227139. The reversal of 125227135 is 531722521.

It is not a de Polignac number, because 125227135 - 23 = 125227127 is a prime.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125227139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 206002 + ... + 206608.

It is an arithmetic number, because the mean of its divisors is an integer number (5340672).

Almost surely, 2125227135 is an apocalyptic number.

125227135 is a deficient number, since it is larger than the sum of its proper divisors (45674369).

125227135 is an equidigital number, since it uses as much as digits as its factorization.

125227135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 654 counting only the distinct ones).

The product of its digits is 4200, while the sum is 28.

The square root of 125227135 is about 11190.4930633105. The cubic root of 125227135 is about 500.3026634194.

Adding to 125227135 its reverse (531722521), we get a palindrome (656949656).

The spelling of 125227135 in words is "one hundred twenty-five million, two hundred twenty-seven thousand, one hundred thirty-five".

Divisors: 1 5 11 31 55 121 155 341 605 607 1331 1705 3035 3751 6655 6677 18755 18817 33385 41261 73447 94085 206305 206987 367235 807917 1034935 2276857 4039585 11384285 25045427 125227135