121300075 has 12 divisors (see below), whose sum is σ = 161982688. Its totient is φ = 89575200.

The previous prime is 121300073. The next prime is 121300079. The reversal of 121300075 is 570003121.

It is not a de Polignac number, because 121300075 - 2¹ = 121300073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121300073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186291 + ... + 186940.

Almost surely, 2^121300075 is an apocalyptic number.

121300075 is a deficient number, since it is larger than the sum of its proper divisors (40682613).

121300075 is a wasteful number, since it uses less digits than its factorization.

121300075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373254 (or 373249 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 121300075 is about 11013.6313266788. The cubic root of 121300075 is about 495.0172765456.

Adding to 121300075 its reverse (570003121), we get a palindrome (691303196).

The spelling of 121300075 in words is "one hundred twenty-one million, three hundred thousand, seventy-five".