1263462341245 has 8 divisors (see below), whose sum is σ = 1632782102616. Its totient is φ = 933018344256.

The previous prime is 1263462341243. The next prime is 1263462341287. The reversal of 1263462341245 is 5421432643621.

It can be written as a sum of positive squares in 4 ways, for example, as 46778336089 + 1216684005156 = 216283^2 + 1103034^2 .

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 1263462341245 - 2¹ = 1263462341243 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 (1263462341243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9718941022 + ... + 9718941151.

It is an arithmetic number, because the mean of its divisors is an integer number (204097762827).

Almost surely, 2^{1263462341245} is an apocalyptic number.

It is an amenable number.

1263462341245 is a deficient number, since it is larger than the sum of its proper divisors (369319761371).

1263462341245 is a wasteful number, since it uses less digits than its factorization.

1263462341245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19437882191.

The product of its digits is 829440, while the sum is 43.

Adding to 1263462341245 its reverse (5421432643621), we get a palindrome (6684894984866).

The spelling of 1263462341245 in words is "one trillion, two hundred sixty-three billion, four hundred sixty-two million, three hundred forty-one thousand, two hundred forty-five".