1242500484961 has 16 divisors (see below), whose sum is σ = 1292854118400. Its totient is φ = 1192664023488.

The previous prime is 1242500484937. The next prime is 1242500484989. The reversal of 1242500484961 is 1694840052421.

It is a cyclic number.

It is not a de Polignac number, because 1242500484961 - 2¹³ = 1242500476769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1242500484661) 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 in 15 ways as a sum of consecutive naturals, for example, 4059451 + ... + 4354783.

It is an arithmetic number, because the mean of its divisors is an integer number (80803382400).

Almost surely, 2^{1242500484961} is an apocalyptic number.

It is an amenable number.

1242500484961 is a deficient number, since it is larger than the sum of its proper divisors (50353633439).

1242500484961 is a wasteful number, since it uses less digits than its factorization.

1242500484961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296208.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 1242500484961 in words is "one trillion, two hundred forty-two billion, five hundred million, four hundred eighty-four thousand, nine hundred sixty-one".