1072855 has 24 divisors (see below), whose sum is σ = 1559520. Its totient is φ = 705600.

The previous prime is 1072849. The next prime is 1072859. The reversal of 1072855 is 5582701.

It is not a de Polignac number, because 1072855 - 2⁵ = 1072823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1072859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7030 + ... + 7180.

It is an arithmetic number, because the mean of its divisors is an integer number (64980).

2^1072855 is an apocalyptic number.

1072855 is a deficient number, since it is larger than the sum of its proper divisors (486665).

1072855 is a wasteful number, since it uses less digits than its factorization.

1072855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1072855 is about 1035.7871402948. The cubic root of 1072855 is about 102.3718008594.

The spelling of 1072855 in words is "one million, seventy-two thousand, eight hundred fifty-five".