1242523124045 has 8 divisors (see below), whose sum is σ = 1704031713024. Its totient is φ = 852015856464.

The previous prime is 1242523123999. The next prime is 1242523124083. The reversal of 1242523124045 is 5404213252421.

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 1242523124045 - 2¹⁰ = 1242523123021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 35500660687 = 1242523124045 / (1 + 2 + 4 + 2 + 5 + 2 + 3 + 1 + 2 + 4 + 0 + 4 + 5).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1242523123996 and 1242523124014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17750330309 + ... + 17750330378.

It is an arithmetic number, because the mean of its divisors is an integer number (213003964128).

Almost surely, 2^{1242523124045} is an apocalyptic number.

It is an amenable number.

1242523124045 is a deficient number, since it is larger than the sum of its proper divisors (461508588979).

1242523124045 is an equidigital number, since it uses as much as digits as its factorization.

1242523124045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35500660699.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1242523124045 its reverse (5404213252421), we get a palindrome (6646736376466).

The spelling of 1242523124045 in words is "one trillion, two hundred forty-two billion, five hundred twenty-three million, one hundred twenty-four thousand, forty-five".