1082645 has 16 divisors (see below), whose sum is σ = 1410048. Its totient is φ = 794880.

The previous prime is 1082629. The next prime is 1082647. The reversal of 1082645 is 5462801.

It is not a de Polignac number, because 1082645 - 2⁴ = 1082629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1082647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3860 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (88128).

2^1082645 is an apocalyptic number.

It is an amenable number.

1082645 is a deficient number, since it is larger than the sum of its proper divisors (327403).

1082645 is a wasteful number, since it uses less digits than its factorization.

1082645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1082645 is about 1040.5022825540. The cubic root of 1082645 is about 102.6822456728.

It can be divided in two parts, 108264 and 5, that multiplied together give a triangular number (541320 = T₁₀₄₀).

The spelling of 1082645 in words is "one million, eighty-two thousand, six hundred forty-five".