201249 has 12 divisors (see below), whose sum is σ = 296400. Its totient is φ = 131544.
The previous prime is 201247. The next prime is 201251. The reversal of 201249 is 942102.
It is an interprime number because it is at equal distance from previous prime (201247) and next prime (201251).
It is not a de Polignac number, because 201249 - 21 = 201247 is a prime.
It is not an unprimeable number, because it can be changed into a prime (201247) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 342 + ... + 720.
It is an arithmetic number, because the mean of its divisors is an integer number (24700).
2201249 is an apocalyptic number.
It is an amenable number.
201249 is a deficient number, since it is larger than the sum of its proper divisors (95151).
201249 is a wasteful number, since it uses less digits than its factorization.
201249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 444 (or 441 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
The square root of 201249 is about 448.6078465653. The cubic root of 201249 is about 58.6018388300.
The spelling of 201249 in words is "two hundred one thousand, two hundred forty-nine".
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