1081245 has 16 divisors (see below), whose sum is σ = 1887552. Its totient is φ = 524160.

The previous prime is 1081243. The next prime is 1081247. The reversal of 1081245 is 5421801.

It is an interprime number because it is at equal distance from previous prime (1081243) and next prime (1081247).

It is not a de Polignac number, because 1081245 - 2¹ = 1081243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081243) 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 15 ways as a sum of consecutive naturals, for example, 3112 + ... + 3441.

It is an arithmetic number, because the mean of its divisors is an integer number (117972).

2^1081245 is an apocalyptic number.

1081245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1081245 is a deficient number, since it is larger than the sum of its proper divisors (806307).

1081245 is a wasteful number, since it uses less digits than its factorization.

1081245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1081245 is about 1039.8293129163. The cubic root of 1081245 is about 102.6379661065.

It can be divided in two parts, 1081 and 245, that added together give a triangular number (1326 = T₅₁).

The spelling of 1081245 in words is "one million, eighty-one thousand, two hundred forty-five".