1097260949 has 2 divisors, whose sum is σ = 1097260950. Its totient is φ = 1097260948.

The previous prime is 1097260897. The next prime is 1097260999. The reversal of 1097260949 is 9490627901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900420049 + 196840900 = 30007^2 + 14030^2 .

It is an emirp because it is prime and its reverse (9490627901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1097260949 - 2⁸ = 1097260693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1097260999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548630474 + 548630475.

It is an arithmetic number, because the mean of its divisors is an integer number (548630475).

Almost surely, 2^1097260949 is an apocalyptic number.

It is an amenable number.

1097260949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1097260949 is an equidigital number, since it uses as much as digits as its factorization.

1097260949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 1097260949 is about 33124.9294187927. The cubic root of 1097260949 is about 1031.4225948574.

The spelling of 1097260949 in words is "one billion, ninety-seven million, two hundred sixty thousand, nine hundred forty-nine".