1061200549 has 2 divisors, whose sum is σ = 1061200550. Its totient is φ = 1061200548.

The previous prime is 1061200507. The next prime is 1061200583. The reversal of 1061200549 is 9450021601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1033301025 + 27899524 = 32145^2 + 5282^2 .

It is an emirp because it is prime and its reverse (9450021601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1061200549 - 2⁹ = 1061200037 is a prime.

It is a super-2 number, since 2×1061200549² = 2252293210395802802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061200849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530600274 + 530600275.

It is an arithmetic number, because the mean of its divisors is an integer number (530600275).

Almost surely, 2^1061200549 is an apocalyptic number.

It is an amenable number.

1061200549 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061200549 is an equidigital number, since it uses as much as digits as its factorization.

1061200549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1061200549 is about 32576.0732593724. The cubic root of 1061200549 is about 1019.9976127715.

The spelling of 1061200549 in words is "one billion, sixty-one million, two hundred thousand, five hundred forty-nine".