101385049 has 2 divisors, whose sum is σ = 101385050. Its totient is φ = 101385048.

The previous prime is 101385043. The next prime is 101385061. The reversal of 101385049 is 940583101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62410000 + 38975049 = 7900^2 + 6243^2 .

It is a cyclic number.

It is not a de Polignac number, because 101385049 - 2⁵ = 101385017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101385049.

It is not a weakly prime, because it can be changed into another prime (101385043) 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, 50692524 + 50692525.

It is an arithmetic number, because the mean of its divisors is an integer number (50692525).

Almost surely, 2^101385049 is an apocalyptic number.

It is an amenable number.

101385049 is a deficient number, since it is larger than the sum of its proper divisors (1).

101385049 is an equidigital number, since it uses as much as digits as its factorization.

101385049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 101385049 is about 10069.0143013107. The cubic root of 101385049 is about 466.2920078494.

The spelling of 101385049 in words is "one hundred one million, three hundred eighty-five thousand, forty-nine".