1240201499 has 2 divisors, whose sum is σ = 1240201500. Its totient is φ = 1240201498.

The previous prime is 1240201481. The next prime is 1240201519. The reversal of 1240201499 is 9941020421.

It is a weak prime.

It is an emirp because it is prime and its reverse (9941020421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1240201499 - 2⁸ = 1240201243 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1240201429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620100749 + 620100750.

It is an arithmetic number, because the mean of its divisors is an integer number (620100750).

Almost surely, 2^1240201499 is an apocalyptic number.

1240201499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240201499 is an equidigital number, since it uses as much as digits as its factorization.

1240201499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1240201499 is about 35216.4947006371. The cubic root of 1240201499 is about 1074.3952608064.

The spelling of 1240201499 in words is "one billion, two hundred forty million, two hundred one thousand, four hundred ninety-nine".