121300573 has 4 divisors (see below), whose sum is σ = 121324060. Its totient is φ = 121277088.

The previous prime is 121300547. The next prime is 121300601. The reversal of 121300573 is 375003121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 375003121 = 103 ⋅3640807.

It can be written as a sum of positive squares in 2 ways, for example, as 111894084 + 9406489 = 10578^2 + 3067^2 .

It is a cyclic number.

It is not a de Polignac number, because 121300573 - 2⁹ = 121300061 is a prime.

It is a super-3 number, since 3×121300573³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121300073) 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 3 ways as a sum of consecutive naturals, for example, 240 + ... + 15577.

It is an arithmetic number, because the mean of its divisors is an integer number (30331015).

Almost surely, 2^121300573 is an apocalyptic number.

It is an amenable number.

121300573 is a deficient number, since it is larger than the sum of its proper divisors (23487).

121300573 is an equidigital number, since it uses as much as digits as its factorization.

121300573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23486.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 121300573 is about 11013.6539350027. The cubic root of 121300573 is about 495.0179539793.

Adding to 121300573 its reverse (375003121), we get a palindrome (496303694).

The spelling of 121300573 in words is "one hundred twenty-one million, three hundred thousand, five hundred seventy-three".