1105261 has 2 divisors, whose sum is σ = 1105262. Its totient is φ = 1105260.

The previous prime is 1105231. The next prime is 1105267. The reversal of 1105261 is 1625011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 649636 + 455625 = 806^2 + 675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1105261 - 2⁹ = 1104749 is a prime.

1105261 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552630 + 552631.

It is an arithmetic number, because the mean of its divisors is an integer number (552631).

2^1105261 is an apocalyptic number.

It is an amenable number.

1105261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105261 is an equidigital number, since it uses as much as digits as its factorization.

1105261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1105261 is about 1051.3139397915. The cubic root of 1105261 is about 103.3923203507.

The spelling of 1105261 in words is "one million, one hundred five thousand, two hundred sixty-one".