1072555 has 8 divisors (see below), whose sum is σ = 1404144. Its totient is φ = 780000.

The previous prime is 1072543. The next prime is 1072613. The reversal of 1072555 is 5552701.

1072555 = 39² + 40² + ... + 148².

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1072555 is a prime.

It is a Duffinian number.

1072555 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9696 + ... + 9805.

It is an arithmetic number, because the mean of its divisors is an integer number (175518).

2^1072555 is an apocalyptic number.

1072555 is a deficient number, since it is larger than the sum of its proper divisors (331589).

1072555 is a wasteful number, since it uses less digits than its factorization.

1072555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19517.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 1072555 is about 1035.6423127702. The cubic root of 1072555 is about 102.3622579721.

It can be divided in two parts, 107 and 2555, that added together give a palindrome (2662).

The spelling of 1072555 in words is "one million, seventy-two thousand, five hundred fifty-five".