1272201 has 16 divisors (see below), whose sum is σ = 2006400. Its totient is φ = 701568.
The previous prime is 1272191. The next prime is 1272203. The reversal of 1272201 is 1022721.
It is not a de Polignac number, because 1272201 - 25 = 1272169 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (1272203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436 + ... + 1653.
It is an arithmetic number, because the mean of its divisors is an integer number (125400).
21272201 is an apocalyptic number.
It is an amenable number.
1272201 is a deficient number, since it is larger than the sum of its proper divisors (734199).
1272201 is a wasteful number, since it uses less digits than its factorization.
1272201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2128.
The product of its (nonzero) digits is 56, while the sum is 15.
The square root of 1272201 is about 1127.9188800619. The cubic root of 1272201 is about 108.3557371153.
Adding to 1272201 its reverse (1022721), we get a palindrome (2294922).
The spelling of 1272201 in words is "one million, two hundred seventy-two thousand, two hundred one".
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