121300433 has 4 divisors (see below), whose sum is σ = 122761968. Its totient is φ = 119838900.

The previous prime is 121300429. The next prime is 121300441. The reversal of 121300433 is 334003121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121300433 - 2² = 121300429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121300483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730643 + ... + 730808.

It is an arithmetic number, because the mean of its divisors is an integer number (30690492).

Almost surely, 2^121300433 is an apocalyptic number.

It is an amenable number.

121300433 is a deficient number, since it is larger than the sum of its proper divisors (1461535).

121300433 is an equidigital number, since it uses as much as digits as its factorization.

121300433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1461534.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 121300433 is about 11013.6475792537. The cubic root of 121300433 is about 495.0177635363.

Adding to 121300433 its reverse (334003121), we get a palindrome (455303554).

The spelling of 121300433 in words is "one hundred twenty-one million, three hundred thousand, four hundred thirty-three".