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127120325 = 525084813
BaseRepresentation
bin1111001001110…
…11001111000101
322212012101022012
413210323033011
5230020322300
620340344005
73102335123
oct744731705
9285171265
10127120325
1165835422
12366a5005
132044ab37
1412c50913
15b260435
hex793b3c5

127120325 has 6 divisors (see below), whose sum is σ = 157629234. Its totient is φ = 101696240.

The previous prime is 127120321. The next prime is 127120349. The reversal of 127120325 is 523021721.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7392961 + 119727364 = 2719^2 + 10942^2 .

It is not a de Polignac number, because 127120325 - 22 = 127120321 is a prime.

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 127120325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127120321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2542382 + ... + 2542431.

It is an arithmetic number, because the mean of its divisors is an integer number (26271539).

Almost surely, 2127120325 is an apocalyptic number.

It is an amenable number.

127120325 is a deficient number, since it is larger than the sum of its proper divisors (30508909).

127120325 is an equidigital number, since it uses as much as digits as its factorization.

127120325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084823 (or 5084818 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 127120325 is about 11274.7649642908. The cubic root of 127120325 is about 502.8112639658.

The spelling of 127120325 in words is "one hundred twenty-seven million, one hundred twenty thousand, three hundred twenty-five".

Divisors: 1 5 25 5084813 25424065 127120325