113212097 has 2 divisors, whose sum is σ = 113212098. Its totient is φ = 113212096.

The previous prime is 113212069. The next prime is 113212103. The reversal of 113212097 is 790212311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101929216 + 11282881 = 10096^2 + 3359^2 .

It is a cyclic number.

It is not a de Polignac number, because 113212097 - 2¹⁰ = 113211073 is a prime.

It is not a weakly prime, because it can be changed into another prime (113212037) 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, 56606048 + 56606049.

It is an arithmetic number, because the mean of its divisors is an integer number (56606049).

Almost surely, 2^113212097 is an apocalyptic number.

It is an amenable number.

113212097 is a deficient number, since it is larger than the sum of its proper divisors (1).

113212097 is an equidigital number, since it uses as much as digits as its factorization.

113212097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 113212097 is about 10640.1173395785. The cubic root of 113212097 is about 483.7611020205.

The spelling of 113212097 in words is "one hundred thirteen million, two hundred twelve thousand, ninety-seven".