121411133 has 2 divisors, whose sum is σ = 121411134. Its totient is φ = 121411132.

The previous prime is 121411123. The next prime is 121411141. The reversal of 121411133 is 331114121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89624089 + 31787044 = 9467^2 + 5638^2 .

It is a cyclic number.

It is not a de Polignac number, because 121411133 - 2²² = 117216829 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121411123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60705566 + 60705567.

It is an arithmetic number, because the mean of its divisors is an integer number (60705567).

Almost surely, 2^121411133 is an apocalyptic number.

It is an amenable number.

121411133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121411133 is an equidigital number, since it uses as much as digits as its factorization.

121411133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72, while the sum is 17.

The square root of 121411133 is about 11018.6720161733. The cubic root of 121411133 is about 495.1683038205.

Adding to 121411133 its reverse (331114121), we get a palindrome (452525254).

The spelling of 121411133 in words is "one hundred twenty-one million, four hundred eleven thousand, one hundred thirty-three".