101245099 has 2 divisors, whose sum is σ = 101245100. Its totient is φ = 101245098.

The previous prime is 101245093. The next prime is 101245139. The reversal of 101245099 is 990542101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101245099 - 2⁹ = 101244587 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101245099.

It is not a weakly prime, because it can be changed into another prime (101245093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50622549 + 50622550.

It is an arithmetic number, because the mean of its divisors is an integer number (50622550).

Almost surely, 2^101245099 is an apocalyptic number.

101245099 is a deficient number, since it is larger than the sum of its proper divisors (1).

101245099 is an equidigital number, since it uses as much as digits as its factorization.

101245099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 101245099 is about 10062.0623631540. The cubic root of 101245099 is about 466.0773555019.

The spelling of 101245099 in words is "one hundred one million, two hundred forty-five thousand, ninety-nine".