1027261 has 2 divisors, whose sum is σ = 1027262. Its totient is φ = 1027260.

The previous prime is 1027241. The next prime is 1027277. The reversal of 1027261 is 1627201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783225 + 244036 = 885^2 + 494^2 .

It is an emirp because it is prime and its reverse (1627201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1027261 - 2¹³ = 1019069 is a prime.

It is a Chen prime.

It is an Ulam number.

It is equal to p₈₀₅₀₆ and since 1027261 and 80506 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1027211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513630 + 513631.

It is an arithmetic number, because the mean of its divisors is an integer number (513631).

2^1027261 is an apocalyptic number.

It is an amenable number.

1027261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1027261 is an equidigital number, since it uses as much as digits as its factorization.

1027261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1027261 is about 1013.5388497734. The cubic root of 1027261 is about 100.9005654725.

The spelling of 1027261 in words is "one million, twenty-seven thousand, two hundred sixty-one".