121673063 has 4 divisors (see below), whose sum is σ = 128830320. Its totient is φ = 114515808.

The previous prime is 121673053. The next prime is 121673077. The reversal of 121673063 is 360376121.

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

It is a de Polignac number, because none of the positive numbers 2^k-121673063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121673053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578603 + ... + 3578636.

It is an arithmetic number, because the mean of its divisors is an integer number (32207580).

Almost surely, 2^121673063 is an apocalyptic number.

121673063 is a deficient number, since it is larger than the sum of its proper divisors (7157257).

121673063 is an equidigital number, since it uses as much as digits as its factorization.

121673063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7157256.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 121673063 is about 11030.5513461477. The cubic root of 121673063 is about 495.5241368536.

The spelling of 121673063 in words is "one hundred twenty-one million, six hundred seventy-three thousand, sixty-three".