1080450 has 90 divisors (see below), whose sum is σ = 3386409. Its totient is φ = 246960.

The previous prime is 1080449. The next prime is 1080451. The reversal of 1080450 is 540801.

It is an interprime number because it is at equal distance from previous prime (1080449) and next prime (1080451).

It can be written as a sum of positive squares in 2 ways, for example, as 1058841 + 21609 = 1029^2 + 147^2 .

It is a tau number, because it is divible by the number of its divisors (90).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=735.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1080451) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 154347 + ... + 154353.

2^1080450 is an apocalyptic number.

1080450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1080450

1080450 is an abundant number, since it is smaller than the sum of its proper divisors (2305959).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1080450 is an equidigital number, since it uses as much as digits as its factorization.

1080450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1080450 is about 1039.4469683442. The cubic root of 1080450 is about 102.6128046215.

Multiplying 1080450 by its sum of digits (18), we get a square (19448100 = 4410²).

1080450 divided by its sum of digits (18) gives a square (60025 = 245²).

The spelling of 1080450 in words is "one million, eighty thousand, four hundred fifty".