121320033 has 8 divisors (see below), whose sum is σ = 164412096. Its totient is φ = 79554000.

The previous prime is 121320029. The next prime is 121320037. The reversal of 121320033 is 330023121.

It is an interprime number because it is at equal distance from previous prime (121320029) and next prime (121320037).

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

It is not a de Polignac number, because 121320033 - 2² = 121320029 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121319994 and 121320021.

It is not an unprimeable number, because it can be changed into a prime (121320037) 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, 331293 + ... + 331658.

It is an arithmetic number, because the mean of its divisors is an integer number (20551512).

Almost surely, 2^121320033 is an apocalyptic number.

It is an amenable number.

121320033 is a deficient number, since it is larger than the sum of its proper divisors (43092063).

121320033 is an equidigital number, since it uses as much as digits as its factorization.

121320033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663015.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 121320033 is about 11014.5373484318. The cubic root of 121320033 is about 495.0444241326.

Adding to 121320033 its reverse (330023121), we get a palindrome (451343154).

The spelling of 121320033 in words is "one hundred twenty-one million, three hundred twenty thousand, thirty-three".