1051181 has 2 divisors, whose sum is σ = 1051182. Its totient is φ = 1051180.

The previous prime is 1051177. The next prime is 1051247. The reversal of 1051181 is 1811501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792100 + 259081 = 890^2 + 509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051181 - 2² = 1051177 is a prime.

It is a super-2 number, since 2×1051181² = 2209962989522, 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 (1051151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525590 + 525591.

It is an arithmetic number, because the mean of its divisors is an integer number (525591).

2^1051181 is an apocalyptic number.

It is an amenable number.

1051181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051181 is an equidigital number, since it uses as much as digits as its factorization.

1051181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 1051181 is about 1025.2711836387. The cubic root of 1051181 is about 101.6777282001.

Adding to 1051181 its reverse (1811501), we get a palindrome (2862682).

The spelling of 1051181 in words is "one million, fifty-one thousand, one hundred eighty-one".