10401239 has 2 divisors, whose sum is σ = 10401240. Its totient is φ = 10401238.

The previous prime is 10401233. The next prime is 10401253. The reversal of 10401239 is 93210401.

10401239 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10401239 - 2¹² = 10397143 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10401239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10401233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5200619 + 5200620.

It is an arithmetic number, because the mean of its divisors is an integer number (5200620).

Almost surely, 2^10401239 is an apocalyptic number.

10401239 is a deficient number, since it is larger than the sum of its proper divisors (1).

10401239 is an equidigital number, since it uses as much as digits as its factorization.

10401239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 10401239 is about 3225.0951923936. The cubic root of 10401239 is about 218.2872444461.

The spelling of 10401239 in words is "ten million, four hundred one thousand, two hundred thirty-nine".