121040563 has 16 divisors (see below), whose sum is σ = 140096704. Its totient is φ = 102435840.

The previous prime is 121040539. The next prime is 121040567. The reversal of 121040563 is 365040121.

It is a cyclic number.

It is not a de Polignac number, because 121040563 - 2²¹ = 118943411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121040567) 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, 264631 + ... + 265087.

It is an arithmetic number, because the mean of its divisors is an integer number (8756044).

Almost surely, 2^121040563 is an apocalyptic number.

121040563 is a deficient number, since it is larger than the sum of its proper divisors (19056141).

121040563 is a wasteful number, since it uses less digits than its factorization.

121040563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 121040563 is about 11001.8436182305. The cubic root of 121040563 is about 494.6640076114.

Adding to 121040563 its reverse (365040121), we get a palindrome (486080684).

The spelling of 121040563 in words is "one hundred twenty-one million, forty thousand, five hundred sixty-three".