1210240349 has 2 divisors, whose sum is σ = 1210240350. Its totient is φ = 1210240348.

The previous prime is 1210240303. The next prime is 1210240351. The reversal of 1210240349 is 9430420121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1195084900 + 15155449 = 34570^2 + 3893^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210240349 - 2¹² = 1210236253 is a prime.

Together with 1210240351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210240399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605120174 + 605120175.

It is an arithmetic number, because the mean of its divisors is an integer number (605120175).

Almost surely, 2^1210240349 is an apocalyptic number.

It is an amenable number.

1210240349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210240349 is an equidigital number, since it uses as much as digits as its factorization.

1210240349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1210240349 is about 34788.5088642787. The cubic root of 1210240349 is about 1065.6727875864.

The spelling of 1210240349 in words is "one billion, two hundred ten million, two hundred forty thousand, three hundred forty-nine".