1241489797 has 8 divisors (see below), whose sum is σ = 1296771840. Its totient is φ = 1187039280.

The previous prime is 1241489779. The next prime is 1241489803. The reversal of 1241489797 is 7979841421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1241489797 - 2¹⁵ = 1241457029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241489737) 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 in 7 ways as a sum of consecutive naturals, for example, 204829 + ... + 210802.

It is an arithmetic number, because the mean of its divisors is an integer number (162096480).

Almost surely, 2^1241489797 is an apocalyptic number.

It is an amenable number.

1241489797 is a deficient number, since it is larger than the sum of its proper divisors (55282043).

1241489797 is a wasteful number, since it uses less digits than its factorization.

1241489797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415763.

The product of its digits is 1016064, while the sum is 52.

The square root of 1241489797 is about 35234.7810692787. The cubic root of 1241489797 is about 1074.7671525970.

The spelling of 1241489797 in words is "one billion, two hundred forty-one million, four hundred eighty-nine thousand, seven hundred ninety-seven".