121084563 has 4 divisors (see below), whose sum is σ = 161446088. Its totient is φ = 80723040.

The previous prime is 121084531. The next prime is 121084567. The reversal of 121084563 is 365480121.

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

It is not a de Polignac number, because 121084563 - 2⁵ = 121084531 is a prime.

It is a super-2 number, since 2×121084563² = 29322942793801938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121084563.

It is not an unprimeable number, because it can be changed into a prime (121084567) 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, 20180758 + ... + 20180763.

It is an arithmetic number, because the mean of its divisors is an integer number (40361522).

Almost surely, 2^121084563 is an apocalyptic number.

121084563 is a deficient number, since it is larger than the sum of its proper divisors (40361525).

121084563 is an equidigital number, since it uses as much as digits as its factorization.

121084563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40361524.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 121084563 is about 11003.8431013896. The cubic root of 121084563 is about 494.7239395301.

The spelling of 121084563 in words is "one hundred twenty-one million, eighty-four thousand, five hundred sixty-three".