113121301 has 2 divisors, whose sum is σ = 113121302. Its totient is φ = 113121300.

The previous prime is 113121299. The next prime is 113121317. The reversal of 113121301 is 103121311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74805201 + 38316100 = 8649^2 + 6190^2 .

It is a cyclic number.

It is not a de Polignac number, because 113121301 - 2¹ = 113121299 is a prime.

Together with 113121299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113121341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56560650 + 56560651.

It is an arithmetic number, because the mean of its divisors is an integer number (56560651).

Almost surely, 2^113121301 is an apocalyptic number.

It is an amenable number.

113121301 is a deficient number, since it is larger than the sum of its proper divisors (1).

113121301 is an equidigital number, since it uses as much as digits as its factorization.

113121301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 113121301 is about 10635.8498014968. The cubic root of 113121301 is about 483.6317421092.

Adding to 113121301 its reverse (103121311), we get a palindrome (216242612).

The spelling of 113121301 in words is "one hundred thirteen million, one hundred twenty-one thousand, three hundred one".