121772441803 has 2 divisors, whose sum is σ = 121772441804. Its totient is φ = 121772441802.

The previous prime is 121772441783. The next prime is 121772441807. The reversal of 121772441803 is 308144277121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121772441803 - 2⁹ = 121772441291 is a prime.

It is not a weakly prime, because it can be changed into another prime (121772441807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60886220901 + 60886220902.

It is an arithmetic number, because the mean of its divisors is an integer number (60886220902).

Almost surely, 2^121772441803 is an apocalyptic number.

121772441803 is a deficient number, since it is larger than the sum of its proper divisors (1).

121772441803 is an equidigital number, since it uses as much as digits as its factorization.

121772441803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 40.

The spelling of 121772441803 in words is "one hundred twenty-one billion, seven hundred seventy-two million, four hundred forty-one thousand, eight hundred three".