1061218481 has 2 divisors, whose sum is σ = 1061218482. Its totient is φ = 1061218480.

The previous prime is 1061218471. The next prime is 1061218507. The reversal of 1061218481 is 1848121601.

It is a happy number.

1061218481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 922944400 + 138274081 = 30380^2 + 11759^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061218481 - 2¹⁰ = 1061217457 is a prime.

It is a super-2 number, since 2×1061218481² = 2252369328831894722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061218451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530609240 + 530609241.

It is an arithmetic number, because the mean of its divisors is an integer number (530609241).

Almost surely, 2^1061218481 is an apocalyptic number.

It is an amenable number.

1061218481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061218481 is an equidigital number, since it uses as much as digits as its factorization.

1061218481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 1061218481 is about 32576.3484908914. The cubic root of 1061218481 is about 1020.0033579923.

The spelling of 1061218481 in words is "one billion, sixty-one million, two hundred eighteen thousand, four hundred eighty-one".