121403153313797 has 2 divisors, whose sum is σ = 121403153313798. Its totient is φ = 121403153313796.

The previous prime is 121403153313737. The next prime is 121403153313811. The reversal of 121403153313797 is 797313351304121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107378794915876 + 14024358397921 = 10362374^2 + 3744911^2 .

It is a cyclic number.

It is not a de Polignac number, because 121403153313797 - 2¹⁰ = 121403153312773 is a prime.

It is a super-3 number, since 3×121403153313797³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121403153313737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60701576656898 + 60701576656899.

It is an arithmetic number, because the mean of its divisors is an integer number (60701576656899).

Almost surely, 2^{121403153313797} is an apocalyptic number.

It is an amenable number.

121403153313797 is a deficient number, since it is larger than the sum of its proper divisors (1).

121403153313797 is an equidigital number, since it uses as much as digits as its factorization.

121403153313797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The spelling of 121403153313797 in words is "one hundred twenty-one trillion, four hundred three billion, one hundred fifty-three million, three hundred thirteen thousand, seven hundred ninety-seven".