1011361249 has 2 divisors, whose sum is σ = 1011361250. Its totient is φ = 1011361248.

The previous prime is 1011361231. The next prime is 1011361259. The reversal of 1011361249 is 9421631101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 966899025 + 44462224 = 31095^2 + 6668^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011361249 - 2⁵ = 1011361217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011361259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505680624 + 505680625.

It is an arithmetic number, because the mean of its divisors is an integer number (505680625).

Almost surely, 2^1011361249 is an apocalyptic number.

It is an amenable number.

1011361249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011361249 is an equidigital number, since it uses as much as digits as its factorization.

1011361249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1011361249 is about 31801.9063736751. The cubic root of 1011361249 is about 1003.7728308463.

The spelling of 1011361249 in words is "one billion, eleven million, three hundred sixty-one thousand, two hundred forty-nine".