121281063 has 8 divisors (see below), whose sum is σ = 162981888. Its totient is φ = 80217144.

The previous prime is 121281053. The next prime is 121281089. The reversal of 121281063 is 360182121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121281063 - 2¹⁶ = 121215527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121281023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158781 + ... + 159542.

It is an arithmetic number, because the mean of its divisors is an integer number (20372736).

Almost surely, 2^121281063 is an apocalyptic number.

121281063 is a deficient number, since it is larger than the sum of its proper divisors (41700825).

121281063 is a wasteful number, since it uses less digits than its factorization.

121281063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318453.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 121281063 is about 11012.7681806165. The cubic root of 121281063 is about 494.9914129721.

The spelling of 121281063 in words is "one hundred twenty-one million, two hundred eighty-one thousand, sixty-three".