1253424215243 has 8 divisors (see below), whose sum is σ = 1295775317760. Its totient is φ = 1211634054720.

The previous prime is 1253424215233. The next prime is 1253424215249. The reversal of 1253424215243 is 3425124243521.

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 1253424215243 - 2²⁸ = 1253155779787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253424215197 and 1253424215206.

It is not an unprimeable number, because it can be changed into a prime (1253424215249) 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, 140230955 + ... + 140239892.

It is an arithmetic number, because the mean of its divisors is an integer number (161971914720).

Almost surely, 2^{1253424215243} is an apocalyptic number.

1253424215243 is a deficient number, since it is larger than the sum of its proper divisors (42351102517).

1253424215243 is a wasteful number, since it uses less digits than its factorization.

1253424215243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280470997.

The product of its digits is 230400, while the sum is 38.

Adding to 1253424215243 its reverse (3425124243521), we get a palindrome (4678548458764).

The spelling of 1253424215243 in words is "one trillion, two hundred fifty-three billion, four hundred twenty-four million, two hundred fifteen thousand, two hundred forty-three".