121434772603 has 2 divisors, whose sum is σ = 121434772604. Its totient is φ = 121434772602.

The previous prime is 121434772559. The next prime is 121434772699. The reversal of 121434772603 is 306277434121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121434772603 - 2⁹ = 121434772091 is a prime.

It is not a weakly prime, because it can be changed into another prime (121434772003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60717386301 + 60717386302.

It is an arithmetic number, because the mean of its divisors is an integer number (60717386302).

Almost surely, 2^121434772603 is an apocalyptic number.

121434772603 is a deficient number, since it is larger than the sum of its proper divisors (1).

121434772603 is an equidigital number, since it uses as much as digits as its factorization.

121434772603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 121434772603 in words is "one hundred twenty-one billion, four hundred thirty-four million, seven hundred seventy-two thousand, six hundred three".