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125500127 is a prime number
BaseRepresentation
bin1110111101011…
…11101011011111
322202011001210212
413132233223133
5224112001002
620241523035
73052506404
oct736575337
9282131725
10125500127
1164929115
123604347b
132000153c
141294c2ab
15b040352
hex77afadf

125500127 has 2 divisors, whose sum is σ = 125500128. Its totient is φ = 125500126.

The previous prime is 125500099. The next prime is 125500157. The reversal of 125500127 is 721005521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125500127 is a prime.

It is a super-2 number, since 2×1255001272 = 31500563754032258, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125500157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62750063 + 62750064.

It is an arithmetic number, because the mean of its divisors is an integer number (62750064).

Almost surely, 2125500127 is an apocalyptic number.

125500127 is a deficient number, since it is larger than the sum of its proper divisors (1).

125500127 is an equidigital number, since it uses as much as digits as its factorization.

125500127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 125500127 is about 11202.6839194900. The cubic root of 125500127 is about 500.6659486311.

Adding to 125500127 its reverse (721005521), we get a palindrome (846505648).

The spelling of 125500127 in words is "one hundred twenty-five million, five hundred thousand, one hundred twenty-seven".