120463129421 has 2 divisors, whose sum is σ = 120463129422. Its totient is φ = 120463129420.

The previous prime is 120463129393. The next prime is 120463129439. The reversal of 120463129421 is 124921364021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98056033321 + 22407096100 = 313139^2 + 149690^2 .

It is an emirp because it is prime and its reverse (124921364021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120463129421 - 2¹⁰ = 120463128397 is a prime.

It is a super-2 number, since 2×120463129421² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120463129621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60231564710 + 60231564711.

It is an arithmetic number, because the mean of its divisors is an integer number (60231564711).

Almost surely, 2^120463129421 is an apocalyptic number.

It is an amenable number.

120463129421 is a deficient number, since it is larger than the sum of its proper divisors (1).

120463129421 is an equidigital number, since it uses as much as digits as its factorization.

120463129421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 120463129421 in words is "one hundred twenty billion, four hundred sixty-three million, one hundred twenty-nine thousand, four hundred twenty-one".