121762370753 has 2 divisors, whose sum is σ = 121762370754. Its totient is φ = 121762370752.

The previous prime is 121762370699. The next prime is 121762370777. The reversal of 121762370753 is 357073267121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119040870529 + 2721500224 = 345023^2 + 52168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121762370753 is a prime.

It is a super-3 number, since 3×121762370753³ (a number of 34 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (121762340753) by changing a digit.

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 as a sum of consecutive naturals, namely, 60881185376 + 60881185377.

It is an arithmetic number, because the mean of its divisors is an integer number (60881185377).

Almost surely, 2^121762370753 is an apocalyptic number.

It is an amenable number.

121762370753 is a deficient number, since it is larger than the sum of its proper divisors (1).

121762370753 is an equidigital number, since it uses as much as digits as its factorization.

121762370753 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 370440, while the sum is 44.

The spelling of 121762370753 in words is "one hundred twenty-one billion, seven hundred sixty-two million, three hundred seventy thousand, seven hundred fifty-three".