1020477 has 8 divisors (see below), whose sum is σ = 1381216. Its totient is φ = 670032.

The previous prime is 1020457. The next prime is 1020491. The reversal of 1020477 is 7740201.

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

It is not a de Polignac number, because 1020477 - 2⁶ = 1020413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2338 + ... + 2739.

It is an arithmetic number, because the mean of its divisors is an integer number (172652).

2^1020477 is an apocalyptic number.

It is an amenable number.

1020477 is a deficient number, since it is larger than the sum of its proper divisors (360739).

1020477 is an equidigital number, since it uses as much as digits as its factorization.

1020477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147.

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 1020477 is about 1010.1866164229. The cubic root of 1020477 is about 100.6779599823.

Adding to 1020477 its reverse (7740201), we get a palindrome (8760678).

The spelling of 1020477 in words is "one million, twenty thousand, four hundred seventy-seven".