121824047 has 8 divisors (see below), whose sum is σ = 124836096. Its totient is φ = 118829592.

The previous prime is 121824013. The next prime is 121824049. The reversal of 121824047 is 740428121.

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

It is a cyclic number.

It is not a de Polignac number, because 121824047 - 2²⁰ = 120775471 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 (121824049) 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, 10208 + ... + 18650.

It is an arithmetic number, because the mean of its divisors is an integer number (15604512).

Almost surely, 2^121824047 is an apocalyptic number.

121824047 is a deficient number, since it is larger than the sum of its proper divisors (3012049).

121824047 is an equidigital number, since it uses as much as digits as its factorization.

121824047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8797.

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 121824047 is about 11037.3931251904. The cubic root of 121824047 is about 495.7290172911.

The spelling of 121824047 in words is "one hundred twenty-one million, eight hundred twenty-four thousand, forty-seven".