1210009499 has 2 divisors, whose sum is σ = 1210009500. Its totient is φ = 1210009498.

The previous prime is 1210009469. The next prime is 1210009511. The reversal of 1210009499 is 9949000121.

It is a strong prime.

It is an emirp because it is prime and its reverse (9949000121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1210009499 - 2¹⁶ = 1209943963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1210009429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605004749 + 605004750.

It is an arithmetic number, because the mean of its divisors is an integer number (605004750).

Almost surely, 2^1210009499 is an apocalyptic number.

1210009499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210009499 is an equidigital number, since it uses as much as digits as its factorization.

1210009499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 1210009499 is about 34785.1908001092. The cubic root of 1210009499 is about 1065.6050252319.

The spelling of 1210009499 in words is "one billion, two hundred ten million, nine thousand, four hundred ninety-nine".