1242060968125 has 10 divisors (see below), whose sum is σ = 1552079386550. Its totient is φ = 993648774000.

The previous prime is 1242060968089. The next prime is 1242060968131. The reversal of 1242060968125 is 5218690602421.

It can be written as a sum of positive squares in 5 ways, for example, as 311879805444 + 930181162681 = 558462^2 + 964459^2 .

It is not a de Polignac number, because 1242060968125 - 2¹⁷ = 1242060837053 is a prime.

It is a super-2 number, since 2×1242060968125² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 993648150 + ... + 993649399.

It is an arithmetic number, because the mean of its divisors is an integer number (155207938655).

Almost surely, 2^{1242060968125} is an apocalyptic number.

It is an amenable number.

1242060968125 is a deficient number, since it is larger than the sum of its proper divisors (310018418425).

1242060968125 is an frugal number, since it uses more digits than its factorization.

1242060968125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987297569 (or 1987297554 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 1242060968125 in words is "one trillion, two hundred forty-two billion, sixty million, nine hundred sixty-eight thousand, one hundred twenty-five".