102112349 has 2 divisors, whose sum is σ = 102112350. Its totient is φ = 102112348.

The previous prime is 102112333. The next prime is 102112363. The reversal of 102112349 is 943211201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59013124 + 43099225 = 7682^2 + 6565^2 .

It is a cyclic number.

It is not a de Polignac number, because 102112349 - 2⁴ = 102112333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102112379) 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, 51056174 + 51056175.

It is an arithmetic number, because the mean of its divisors is an integer number (51056175).

Almost surely, 2^102112349 is an apocalyptic number.

It is an amenable number.

102112349 is a deficient number, since it is larger than the sum of its proper divisors (1).

102112349 is an equidigital number, since it uses as much as digits as its factorization.

102112349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 102112349 is about 10105.0655119104. The cubic root of 102112349 is about 467.4043561191.

The spelling of 102112349 in words is "one hundred two million, one hundred twelve thousand, three hundred forty-nine".