113055421 has 2 divisors, whose sum is σ = 113055422. Its totient is φ = 113055420.

The previous prime is 113055407. The next prime is 113055431. The reversal of 113055421 is 124550311.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110460100 + 2595321 = 10510^2 + 1611^2 .

It is an emirp because it is prime and its reverse (124550311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113055421 - 2¹⁵ = 113022653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113055392 and 113055401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113055401) 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, 56527710 + 56527711.

It is an arithmetic number, because the mean of its divisors is an integer number (56527711).

Almost surely, 2^113055421 is an apocalyptic number.

It is an amenable number.

113055421 is a deficient number, since it is larger than the sum of its proper divisors (1).

113055421 is an equidigital number, since it uses as much as digits as its factorization.

113055421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 113055421 is about 10632.7522777501. The cubic root of 113055421 is about 483.5378374655.

The spelling of 113055421 in words is "one hundred thirteen million, fifty-five thousand, four hundred twenty-one".