121426610003 has 2 divisors, whose sum is σ = 121426610004. Its totient is φ = 121426610002.

The previous prime is 121426609991. The next prime is 121426610023. The reversal of 121426610003 is 300016624121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121426610003 - 2¹² = 121426605907 is a prime.

It is not a weakly prime, because it can be changed into another prime (121426610023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60713305001 + 60713305002.

It is an arithmetic number, because the mean of its divisors is an integer number (60713305002).

Almost surely, 2^121426610003 is an apocalyptic number.

121426610003 is a deficient number, since it is larger than the sum of its proper divisors (1).

121426610003 is an equidigital number, since it uses as much as digits as its factorization.

121426610003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 121426610003 in words is "one hundred twenty-one billion, four hundred twenty-six million, six hundred ten thousand, three".