1252141 has 8 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 1124640.
The previous prime is 1252129. The next prime is 1252151. The reversal of 1252141 is 1412521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1252141 - 25 = 1252109 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1252151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340 + ... + 1618.
It is an arithmetic number, because the mean of its divisors is an integer number (172800).
21252141 is an apocalyptic number.
1252141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1252141 is a deficient number, since it is larger than the sum of its proper divisors (130259).
1252141 is a wasteful number, since it uses less digits than its factorization.
1252141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1379.
The product of its digits is 80, while the sum is 16.
The square root of 1252141 is about 1118.9910634138. The cubic root of 1252141 is about 107.7832013504.
Adding to 1252141 its reverse (1412521), we get a palindrome (2664662).
The spelling of 1252141 in words is "one million, two hundred fifty-two thousand, one hundred forty-one".
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