10401287 has 16 divisors (see below), whose sum is σ = 11612160. Its totient is φ = 9256800.

The previous prime is 10401271. The next prime is 10401289. The reversal of 10401287 is 78210401.

It is a cyclic number.

It is not a de Polignac number, because 10401287 - 2⁴ = 10401271 is a prime.

It is a Duffinian number.

10401287 is a modest number, since divided by 1287 gives 1040 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401289) 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 in 15 ways as a sum of consecutive naturals, for example, 54362 + ... + 54552.

It is an arithmetic number, because the mean of its divisors is an integer number (725760).

Almost surely, 2^10401287 is an apocalyptic number.

10401287 is a deficient number, since it is larger than the sum of its proper divisors (1210873).

10401287 is a wasteful number, since it uses less digits than its factorization.

10401287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 10401287 is about 3225.1026340258. The cubic root of 10401287 is about 218.2875802321.

Adding to 10401287 its reverse (78210401), we get a palindrome (88611688).

The spelling of 10401287 in words is "ten million, four hundred one thousand, two hundred eighty-seven".