1225410499 has 2 divisors, whose sum is σ = 1225410500. Its totient is φ = 1225410498.

The previous prime is 1225410497. The next prime is 1225410523. The reversal of 1225410499 is 9940145221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1225410499 - 2¹ = 1225410497 is a prime.

Together with 1225410497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1225410497) 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, 612705249 + 612705250.

It is an arithmetic number, because the mean of its divisors is an integer number (612705250).

Almost surely, 2^1225410499 is an apocalyptic number.

1225410499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225410499 is an equidigital number, since it uses as much as digits as its factorization.

1225410499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1225410499 is about 35005.8637802297. The cubic root of 1225410499 is about 1070.1069852557.

The spelling of 1225410499 in words is "one billion, two hundred twenty-five million, four hundred ten thousand, four hundred ninety-nine".