10101239 has 2 divisors, whose sum is σ = 10101240. Its totient is φ = 10101238.

The previous prime is 10101227. The next prime is 10101277. The reversal of 10101239 is 93210101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10101239 - 2¹⁶ = 10035703 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10101739) 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, 5050619 + 5050620.

It is an arithmetic number, because the mean of its divisors is an integer number (5050620).

Almost surely, 2^10101239 is an apocalyptic number.

10101239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101239 is an equidigital number, since it uses as much as digits as its factorization.

10101239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 10101239 is about 3178.2446413075. The cubic root of 10101239 is about 216.1680719196.

The spelling of 10101239 in words is "ten million, one hundred one thousand, two hundred thirty-nine".