1007855 has 12 divisors (see below), whose sum is σ = 1285560. Its totient is φ = 756432.

The previous prime is 1007827. The next prime is 1007857. The reversal of 1007855 is 5587001.

It is not a de Polignac number, because 1007855 - 2⁸ = 1007599 is a prime.

It is a plaindrome in base 6.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1007857) 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 11 ways as a sum of consecutive naturals, for example, 9734 + ... + 9836.

It is an arithmetic number, because the mean of its divisors is an integer number (107130).

2^1007855 is an apocalyptic number.

1007855 is a deficient number, since it is larger than the sum of its proper divisors (277705).

1007855 is an equidigital number, since it uses as much as digits as its factorization.

1007855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1007855 is about 1003.9198175153. The cubic root of 1007855 is about 100.2611507425.

The spelling of 1007855 in words is "one million, seven thousand, eight hundred fifty-five".