120051634421 has 2 divisors, whose sum is σ = 120051634422. Its totient is φ = 120051634420.

The previous prime is 120051634393. The next prime is 120051634481. The reversal of 120051634421 is 124436150021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81217020196 + 38834614225 = 284986^2 + 197065^2 .

It is a cyclic number.

It is not a de Polignac number, because 120051634421 - 2⁶ = 120051634357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120051634481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60025817210 + 60025817211.

It is an arithmetic number, because the mean of its divisors is an integer number (60025817211).

Almost surely, 2^120051634421 is an apocalyptic number.

It is an amenable number.

120051634421 is a deficient number, since it is larger than the sum of its proper divisors (1).

120051634421 is an equidigital number, since it uses as much as digits as its factorization.

120051634421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 120051634421 its reverse (124436150021), we get a palindrome (244487784442).

The spelling of 120051634421 in words is "one hundred twenty billion, fifty-one million, six hundred thirty-four thousand, four hundred twenty-one".