121134613 has 2 divisors, whose sum is σ = 121134614. Its totient is φ = 121134612.

The previous prime is 121134581. The next prime is 121134647. The reversal of 121134613 is 316431121.

121134613 = 7782² + 7783².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60575089 + 60559524 = 7783^2 + 7782^2 .

It is a cyclic number.

It is not a de Polignac number, because 121134613 - 2⁵ = 121134581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121144613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60567306 + 60567307.

It is an arithmetic number, because the mean of its divisors is an integer number (60567307).

Almost surely, 2^121134613 is an apocalyptic number.

121134613 is the 7783-rd centered square number.

It is an amenable number.

121134613 is a deficient number, since it is larger than the sum of its proper divisors (1).

121134613 is an equidigital number, since it uses as much as digits as its factorization.

121134613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 22.

The square root of 121134613 is about 11006.1170718833. The cubic root of 121134613 is about 494.7920944397.

Adding to 121134613 its reverse (316431121), we get a palindrome (437565734).

The spelling of 121134613 in words is "one hundred twenty-one million, one hundred thirty-four thousand, six hundred thirteen".