121346587 has 4 divisors (see below), whose sum is σ = 121370080. Its totient is φ = 121323096.

The previous prime is 121346579. The next prime is 121346591. The reversal of 121346587 is 785643121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121346587 - 2³ = 121346579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121346557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243 + ... + 15580.

It is an arithmetic number, because the mean of its divisors is an integer number (30342520).

Almost surely, 2^121346587 is an apocalyptic number.

121346587 is a deficient number, since it is larger than the sum of its proper divisors (23493).

121346587 is an equidigital number, since it uses as much as digits as its factorization.

121346587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23492.

The product of its digits is 40320, while the sum is 37.

The square root of 121346587 is about 11015.7426894422. The cubic root of 121346587 is about 495.0805392197.

It can be divided in two parts, 12134 and 6587, that added together give a triangular number (18721 = T₁₉₃).

The spelling of 121346587 in words is "one hundred twenty-one million, three hundred forty-six thousand, five hundred eighty-seven".