121006433 has 8 divisors (see below), whose sum is σ = 123809280. Its totient is φ = 118235520.

The previous prime is 121006411. The next prime is 121006451. The reversal of 121006433 is 334600121.

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 121006433 - 2⁸ = 121006177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121006133) 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, 233 + ... + 15558.

It is an arithmetic number, because the mean of its divisors is an integer number (15476160).

Almost surely, 2^121006433 is an apocalyptic number.

It is an amenable number.

121006433 is a deficient number, since it is larger than the sum of its proper divisors (2802847).

121006433 is an equidigital number, since it uses as much as digits as its factorization.

121006433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15967.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 121006433 is about 11000.2924052045. The cubic root of 121006433 is about 494.6175095085.

Adding to 121006433 its reverse (334600121), we get a palindrome (455606554).

The spelling of 121006433 in words is "one hundred twenty-one million, six thousand, four hundred thirty-three".