1051054181 has 2 divisors, whose sum is σ = 1051054182. Its totient is φ = 1051054180.

The previous prime is 1051054171. The next prime is 1051054187. The reversal of 1051054181 is 1814501501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 695165956 + 355888225 = 26366^2 + 18865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051054181 - 2¹⁸ = 1050792037 is a prime.

It is a super-2 number, since 2×1051054181² = 2209429782795161522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051054181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051054187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525527090 + 525527091.

It is an arithmetic number, because the mean of its divisors is an integer number (525527091).

Almost surely, 2^1051054181 is an apocalyptic number.

It is an amenable number.

1051054181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051054181 is an equidigital number, since it uses as much as digits as its factorization.

1051054181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 800, while the sum is 26.

The square root of 1051054181 is about 32419.9657772799. The cubic root of 1051054181 is about 1016.7363908943.

Adding to 1051054181 its reverse (1814501501), we get a palindrome (2865555682).

The spelling of 1051054181 in words is "one billion, fifty-one million, fifty-four thousand, one hundred eighty-one".