121434604751 has 2 divisors, whose sum is σ = 121434604752. Its totient is φ = 121434604750.

The previous prime is 121434604717. The next prime is 121434604757. The reversal of 121434604751 is 157406434121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121434604751 - 2²² = 121430410447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121434604757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60717302375 + 60717302376.

It is an arithmetic number, because the mean of its divisors is an integer number (60717302376).

Almost surely, 2^121434604751 is an apocalyptic number.

121434604751 is a deficient number, since it is larger than the sum of its proper divisors (1).

121434604751 is an equidigital number, since it uses as much as digits as its factorization.

121434604751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 121434604751 in words is "one hundred twenty-one billion, four hundred thirty-four million, six hundred four thousand, seven hundred fifty-one".