121104587 has 2 divisors, whose sum is σ = 121104588. Its totient is φ = 121104586.

The previous prime is 121104547. The next prime is 121104691. The reversal of 121104587 is 785401121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121104587 - 2²⁰ = 120056011 is a prime.

It is not a weakly prime, because it can be changed into another prime (121104517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60552293 + 60552294.

It is an arithmetic number, because the mean of its divisors is an integer number (60552294).

Almost surely, 2^121104587 is an apocalyptic number.

121104587 is a deficient number, since it is larger than the sum of its proper divisors (1).

121104587 is an equidigital number, since it uses as much as digits as its factorization.

121104587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 121104587 is about 11004.7529277126. The cubic root of 121104587 is about 494.7512091944.

The spelling of 121104587 in words is "one hundred twenty-one million, one hundred four thousand, five hundred eighty-seven".