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125150197 is a prime number
BaseRepresentation
bin1110111010110…
…10001111110101
322201111021210111
413131122033311
5224014301242
620230223021
73046521244
oct735321765
9281437714
10125150197
116470a217
1235ab4a71
131cc0b193
141289a95b
15aec1817
hex775a3f5

125150197 has 2 divisors, whose sum is σ = 125150198. Its totient is φ = 125150196.

The previous prime is 125150191. The next prime is 125150213. The reversal of 125150197 is 791051521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119924401 + 5225796 = 10951^2 + 2286^2 .

It is a cyclic number.

It is not a de Polignac number, because 125150197 - 23 = 125150189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125150191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62575098 + 62575099.

It is an arithmetic number, because the mean of its divisors is an integer number (62575099).

Almost surely, 2125150197 is an apocalyptic number.

It is an amenable number.

125150197 is a deficient number, since it is larger than the sum of its proper divisors (1).

125150197 is an equidigital number, since it uses as much as digits as its factorization.

125150197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 125150197 is about 11187.0548849999. The cubic root of 125150197 is about 500.2001825099.

The spelling of 125150197 in words is "one hundred twenty-five million, one hundred fifty thousand, one hundred ninety-seven".