1238461 has 4 divisors (see below), whose sum is σ = 1415392. Its totient is φ = 1061532.
The previous prime is 1238459. The next prime is 1238491. The reversal of 1238461 is 1648321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1648321 = 97 ⋅16993.
It is a cyclic number.
It is not a de Polignac number, because 1238461 - 21 = 1238459 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1238411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88455 + ... + 88468.
It is an arithmetic number, because the mean of its divisors is an integer number (353848).
21238461 is an apocalyptic number.
It is an amenable number.
1238461 is a deficient number, since it is larger than the sum of its proper divisors (176931).
1238461 is an equidigital number, since it uses as much as digits as its factorization.
1238461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176930.
The product of its digits is 1152, while the sum is 25.
The square root of 1238461 is about 1112.8616266185. The cubic root of 1238461 is about 107.3892423340.
The spelling of 1238461 in words is "one million, two hundred thirty-eight thousand, four hundred sixty-one".
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