1020450 has 24 divisors (see below), whose sum is σ = 2531088. Its totient is φ = 272080.

The previous prime is 1020431. The next prime is 1020451. The reversal of 1020450 is 540201.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1020451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3252 + ... + 3551.

It is an arithmetic number, because the mean of its divisors is an integer number (105462).

2^1020450 is an apocalyptic number.

1020450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020450 is an abundant number, since it is smaller than the sum of its proper divisors (1510638).

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

1020450 is a wasteful number, since it uses less digits than its factorization.

1020450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6818 (or 6813 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1020450 is about 1010.1732524671. The cubic root of 1020450 is about 100.6770720547.

Adding to 1020450 its reverse (540201), we get a palindrome (1560651).

Subtracting from 1020450 its reverse (540201), we obtain a square (480249 = 693²).

The spelling of 1020450 in words is "one million, twenty thousand, four hundred fifty".