121433147 has 8 divisors (see below), whose sum is σ = 132744000. Its totient is φ = 110167560.

The previous prime is 121433131. The next prime is 121433167. The reversal of 121433147 is 741334121.

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 121433147 - 2⁴ = 121433131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121433167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5573 + ... + 16550.

It is an arithmetic number, because the mean of its divisors is an integer number (16593000).

Almost surely, 2^121433147 is an apocalyptic number.

121433147 is a deficient number, since it is larger than the sum of its proper divisors (11310853).

121433147 is a wasteful number, since it uses less digits than its factorization.

121433147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22633.

The product of its digits is 2016, while the sum is 26.

The square root of 121433147 is about 11019.6709116017. The cubic root of 121433147 is about 495.1982296217.

Adding to 121433147 its reverse (741334121), we get a palindrome (862767268).

The spelling of 121433147 in words is "one hundred twenty-one million, four hundred thirty-three thousand, one hundred forty-seven".