104281287 has 16 divisors (see below), whose sum is σ = 158277888. Its totient is φ = 60452480.

The previous prime is 104281277. The next prime is 104281339. The reversal of 104281287 is 782182401.

It is a happy number.

It is not a de Polignac number, because 104281287 - 2⁸ = 104281031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104281277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67938 + ... + 69455.

It is an arithmetic number, because the mean of its divisors is an integer number (9892368).

Almost surely, 2^104281287 is an apocalyptic number.

104281287 is a deficient number, since it is larger than the sum of its proper divisors (53996601).

104281287 is a wasteful number, since it uses less digits than its factorization.

104281287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137430.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 104281287 is about 10211.8209443762. The cubic root of 104281287 is about 470.6905301611.

The spelling of 104281287 in words is "one hundred four million, two hundred eighty-one thousand, two hundred eighty-seven".