1020478 has 8 divisors (see below), whose sum is σ = 1539720. Its totient is φ = 507240.

The previous prime is 1020457. The next prime is 1020491. The reversal of 1020478 is 8740201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1048 + ... + 1771.

It is an arithmetic number, because the mean of its divisors is an integer number (192465).

2^1020478 is an apocalyptic number.

1020478 is a deficient number, since it is larger than the sum of its proper divisors (519242).

1020478 is a wasteful number, since it uses less digits than its factorization.

1020478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1020478 is about 1010.1871113809. The cubic root of 1020478 is about 100.6779928682.

Adding to 1020478 its reverse (8740201), we get a palindrome (9760679).

The spelling of 1020478 in words is "one million, twenty thousand, four hundred seventy-eight".