121884563 has 16 divisors (see below), whose sum is σ = 130548000. Its totient is φ = 113467392.

The previous prime is 121884559. The next prime is 121884571. The reversal of 121884563 is 365488121.

It is not a de Polignac number, because 121884563 - 2² = 121884559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121884163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474131 + ... + 474387.

It is an arithmetic number, because the mean of its divisors is an integer number (8159250).

Almost surely, 2^121884563 is an apocalyptic number.

121884563 is a deficient number, since it is larger than the sum of its proper divisors (8663437).

121884563 is a wasteful number, since it uses less digits than its factorization.

121884563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614.

The product of its digits is 46080, while the sum is 38.

The square root of 121884563 is about 11040.1341930250. The cubic root of 121884563 is about 495.8110880368.

The spelling of 121884563 in words is "one hundred twenty-one million, eight hundred eighty-four thousand, five hundred sixty-three".