1061261 has 2 divisors, whose sum is σ = 1061262. Its totient is φ = 1061260.

The previous prime is 1061251. The next prime is 1061273. The reversal of 1061261 is 1621601.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1060900 + 361 = 1030^2 + 19^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061261 - 2¹⁰ = 1060237 is a prime.

It is a super-2 number, since 2×1061261² = 2252549820242, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530630 + 530631.

It is an arithmetic number, because the mean of its divisors is an integer number (530631).

2^1061261 is an apocalyptic number.

It is an amenable number.

1061261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061261 is an equidigital number, since it uses as much as digits as its factorization.

1061261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1061261 is about 1030.1752278132. The cubic root of 1061261 is about 102.0016980366.

Adding to 1061261 its reverse (1621601), we get a palindrome (2682862).

The spelling of 1061261 in words is "one million, sixty-one thousand, two hundred sixty-one".