121411253 has 2 divisors, whose sum is σ = 121411254. Its totient is φ = 121411252.

The previous prime is 121411249. The next prime is 121411271. The reversal of 121411253 is 352114121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101143249 + 20268004 = 10057^2 + 4502^2 .

It is a cyclic number.

It is not a de Polignac number, because 121411253 - 2² = 121411249 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 (121411223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60705626 + 60705627.

It is an arithmetic number, because the mean of its divisors is an integer number (60705627).

Almost surely, 2^121411253 is an apocalyptic number.

It is an amenable number.

121411253 is a deficient number, since it is larger than the sum of its proper divisors (1).

121411253 is an equidigital number, since it uses as much as digits as its factorization.

121411253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 240, while the sum is 20.

The square root of 121411253 is about 11018.6774614742. The cubic root of 121411253 is about 495.1684669581.

Adding to 121411253 its reverse (352114121), we get a palindrome (473525374).

The spelling of 121411253 in words is "one hundred twenty-one million, four hundred eleven thousand, two hundred fifty-three".