1082457 has 16 divisors (see below), whose sum is σ = 1639680. Its totient is φ = 705456.

The previous prime is 1082447. The next prime is 1082467. The reversal of 1082457 is 7542801.

It is an interprime number because it is at equal distance from previous prime (1082447) and next prime (1082467).

It is not a de Polignac number, because 1082457 - 2¹⁶ = 1016921 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 1 + 0 + 8² + 2²⁰ + 4⁷ + 5⁴ + 7⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 1082457.

It is not an unprimeable number, because it can be changed into a prime (1082447) 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, 843 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (102480).

2^1082457 is an apocalyptic number.

It is an amenable number.

1082457 is a deficient number, since it is larger than the sum of its proper divisors (557223).

1082457 is an equidigital number, since it uses as much as digits as its factorization.

1082457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1082457 is about 1040.4119376478. The cubic root of 1082457 is about 102.6763017793.

It can be divided in two parts, 108 and 2457, that multiplied together give a triangular number (265356 = T₇₂₈).

The spelling of 1082457 in words is "one million, eighty-two thousand, four hundred fifty-seven".