121105363 has 16 divisors (see below), whose sum is σ = 127785600. Its totient is φ = 114620800.

The previous prime is 121105343. The next prime is 121105367. The reversal of 121105363 is 363501121.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121105363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121105367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506598 + ... + 506836.

It is an arithmetic number, because the mean of its divisors is an integer number (7986600).

Almost surely, 2^121105363 is an apocalyptic number.

121105363 is a deficient number, since it is larger than the sum of its proper divisors (6680237).

121105363 is a wasteful number, since it uses less digits than its factorization.

121105363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 121105363 is about 11004.7881851492. The cubic root of 121105363 is about 494.7522659287.

Adding to 121105363 its reverse (363501121), we get a palindrome (484606484).

The spelling of 121105363 in words is "one hundred twenty-one million, one hundred five thousand, three hundred sixty-three".