1246424604121 has 2 divisors, whose sum is σ = 1246424604122. Its totient is φ = 1246424604120.

The previous prime is 1246424604119. The next prime is 1246424604151. The reversal of 1246424604121 is 1214064246421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1162245705625 + 84178898496 = 1078075^2 + 290136^2 .

It is a cyclic number.

It is not a de Polignac number, because 1246424604121 - 2¹ = 1246424604119 is a prime.

It is a super-3 number, since 3×1246424604121³ (a number of 37 digits) contains 333 as substring.

Together with 1246424604119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1246424604101) by changing a digit.

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 as a sum of consecutive naturals, namely, 623212302060 + 623212302061.

It is an arithmetic number, because the mean of its divisors is an integer number (623212302061).

Almost surely, 2^{1246424604121} is an apocalyptic number.

It is an amenable number.

1246424604121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246424604121 is an equidigital number, since it uses as much as digits as its factorization.

1246424604121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 1246424604121 in words is "one trillion, two hundred forty-six billion, four hundred twenty-four million, six hundred four thousand, one hundred twenty-one".