1244055 has 16 divisors (see below), whose sum is σ = 2005344. Its totient is φ = 658560.
The previous prime is 1244053. The next prime is 1244057. The reversal of 1244055 is 5504421.
It is an interprime number because it is at equal distance from previous prime (1244053) and next prime (1244057).
It is not a de Polignac number, because 1244055 - 21 = 1244053 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1244053) 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, 2745 + ... + 3165.
It is an arithmetic number, because the mean of its divisors is an integer number (125334).
21244055 is an apocalyptic number.
1244055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1244055 is a deficient number, since it is larger than the sum of its proper divisors (761289).
1244055 is a wasteful number, since it uses less digits than its factorization.
1244055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 626.
The product of its (nonzero) digits is 800, while the sum is 21.
The square root of 1244055 is about 1115.3721352087. The cubic root of 1244055 is about 107.5506881925.
Adding to 1244055 its reverse (5504421), we get a palindrome (6748476).
The spelling of 1244055 in words is "one million, two hundred forty-four thousand, fifty-five".
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