1020574 has 4 divisors (see below), whose sum is σ = 1530864. Its totient is φ = 510286.

The previous prime is 1020557. The next prime is 1020583. The reversal of 1020574 is 4750201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4750201 = 137 ⋅34673.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255142 + ... + 255145.

It is an arithmetic number, because the mean of its divisors is an integer number (382716).

2^1020574 is an apocalyptic number.

1020574 is a deficient number, since it is larger than the sum of its proper divisors (510290).

1020574 is an equidigital number, since it uses as much as digits as its factorization.

1020574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510289.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 1020574 is about 1010.2346262131. The cubic root of 1020574 is about 100.6811498150.

Adding to 1020574 its reverse (4750201), we get a palindrome (5770775).

The spelling of 1020574 in words is "one million, twenty thousand, five hundred seventy-four".