1026481 has 2 divisors, whose sum is σ = 1026482. Its totient is φ = 1026480.

The previous prime is 1026479. The next prime is 1026521. The reversal of 1026481 is 1846201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781456 + 245025 = 884^2 + 495^2 .

It is a cyclic number.

It is not a de Polignac number, because 1026481 - 2¹ = 1026479 is a prime.

It is a super-2 number, since 2×1026481² = 2107326486722, which contains 22 as substring.

Together with 1026479, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1026401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513240 + 513241.

It is an arithmetic number, because the mean of its divisors is an integer number (513241).

2^1026481 is an apocalyptic number.

It is an amenable number.

1026481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026481 is an equidigital number, since it uses as much as digits as its factorization.

1026481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1026481 is about 1013.1539863219. The cubic root of 1026481 is about 100.8750210493.

The spelling of 1026481 in words is "one million, twenty-six thousand, four hundred eighty-one".