1242324531105 has 64 divisors (see below), whose sum is σ = 2300612751360. Its totient is φ = 560695700736.

The previous prime is 1242324531061. The next prime is 1242324531139. The reversal of 1242324531105 is 5011354232421.

It is not a de Polignac number, because 1242324531105 - 2⁷ = 1242324530977 is a prime.

It is a super-2 number, since 2×1242324531105² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 in 63 ways as a sum of consecutive naturals, for example, 12963756 + ... + 13059234.

It is an arithmetic number, because the mean of its divisors is an integer number (35947074240).

Almost surely, 2^{1242324531105} is an apocalyptic number.

1242324531105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1242324531105 is a deficient number, since it is larger than the sum of its proper divisors (1058288220255).

1242324531105 is a wasteful number, since it uses less digits than its factorization.

1242324531105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97070.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1242324531105 its reverse (5011354232421), we get a palindrome (6253678763526).

The spelling of 1242324531105 in words is "one trillion, two hundred forty-two billion, three hundred twenty-four million, five hundred thirty-one thousand, one hundred five".