121233051559 has 2 divisors, whose sum is σ = 121233051560. Its totient is φ = 121233051558.

The previous prime is 121233051547. The next prime is 121233051581. The reversal of 121233051559 is 955150332121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121233051559 - 2⁹ = 121233051047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121233051529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616525779 + 60616525780.

It is an arithmetic number, because the mean of its divisors is an integer number (60616525780).

Almost surely, 2^121233051559 is an apocalyptic number.

121233051559 is a deficient number, since it is larger than the sum of its proper divisors (1).

121233051559 is an equidigital number, since it uses as much as digits as its factorization.

121233051559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 121233051559 in words is "one hundred twenty-one billion, two hundred thirty-three million, fifty-one thousand, five hundred fifty-nine".