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127906241 is a prime number
BaseRepresentation
bin1111001111110…
…11000111000001
322220200022101012
413213323013001
5230220444431
620405250305
73112120331
oct747730701
9286608335
10127906241
1166221941
1236a03995
1320664788
1412db70c1
15b36822b
hex79fb1c1

127906241 has 2 divisors, whose sum is σ = 127906242. Its totient is φ = 127906240.

The previous prime is 127906231. The next prime is 127906357. The reversal of 127906241 is 142609721.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94497841 + 33408400 = 9721^2 + 5780^2 .

It is an emirp because it is prime and its reverse (142609721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127906241 - 222 = 123711937 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 127906198 and 127906207.

It is not a weakly prime, because it can be changed into another prime (127906201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63953120 + 63953121.

It is an arithmetic number, because the mean of its divisors is an integer number (63953121).

Almost surely, 2127906241 is an apocalyptic number.

It is an amenable number.

127906241 is a deficient number, since it is larger than the sum of its proper divisors (1).

127906241 is an equidigital number, since it uses as much as digits as its factorization.

127906241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 127906241 is about 11309.5641383742. The cubic root of 127906241 is about 503.8453389243.

The spelling of 127906241 in words is "one hundred twenty-seven million, nine hundred six thousand, two hundred forty-one".