113220377 has 2 divisors, whose sum is σ = 113220378. Its totient is φ = 113220376.

The previous prime is 113220361. The next prime is 113220389. The reversal of 113220377 is 773022311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112805641 + 414736 = 10621^2 + 644^2 .

It is a cyclic number.

It is not a de Polignac number, because 113220377 - 2⁴ = 113220361 is a prime.

It is not a weakly prime, because it can be changed into another prime (113220307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610188 + 56610189.

It is an arithmetic number, because the mean of its divisors is an integer number (56610189).

Almost surely, 2^113220377 is an apocalyptic number.

It is an amenable number.

113220377 is a deficient number, since it is larger than the sum of its proper divisors (1).

113220377 is an equidigital number, since it uses as much as digits as its factorization.

113220377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 113220377 is about 10640.5064259179. The cubic root of 113220377 is about 483.7728953547.

Adding to 113220377 its reverse (773022311), we get a palindrome (886242688).

The spelling of 113220377 in words is "one hundred thirteen million, two hundred twenty thousand, three hundred seventy-seven".