1020465 has 16 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 544176.

The previous prime is 1020457. The next prime is 1020491. The reversal of 1020465 is 5640201.

It is a happy number.

1020465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020465 - 2³ = 1020457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3645 + ... + 3914.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^1020465 is an apocalyptic number.

1020465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1020465 is a deficient number, since it is larger than the sum of its proper divisors (793935).

1020465 is an equidigital number, since it uses as much as digits as its factorization.

1020465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573 (or 7567 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1020465 is about 1010.1806769088. The cubic root of 1020465 is about 100.6775653497.

Adding to 1020465 its reverse (5640201), we get a palindrome (6660666).

It can be divided in two parts, 1020 and 465, that added together give a triangular number (1485 = T₅₄).

The spelling of 1020465 in words is "one million, twenty thousand, four hundred sixty-five".