1064981 has 4 divisors (see below), whose sum is σ = 1089792. Its totient is φ = 1040172.
The previous prime is 1064977. The next prime is 1064989. The reversal of 1064981 is 1894601.
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.
It is a cyclic number.
It is not a de Polignac number, because 1064981 - 22 = 1064977 is a prime.
It is a super-2 number, since 2×10649812 = 2268369060722, which contains 22 as substring.
It is an Ulam number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1064989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (5) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12341 + ... + 12426.
It is an arithmetic number, because the mean of its divisors is an integer number (272448).
21064981 is an apocalyptic number.
It is an amenable number.
1064981 is a deficient number, since it is larger than the sum of its proper divisors (24811).
1064981 is an equidigital number, since it uses as much as digits as its factorization.
1064981 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24810.
The product of its (nonzero) digits is 1728, while the sum is 29.
The square root of 1064981 is about 1031.9791664564. The cubic root of 1064981 is about 102.1207400143.
The spelling of 1064981 in words is "one million, sixty-four thousand, nine hundred eighty-one".
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