1020570 has 16 divisors (see below), whose sum is σ = 2449440. Its totient is φ = 272144.

The previous prime is 1020557. The next prime is 1020583. The reversal of 1020570 is 750201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1020557) and next prime (1020583).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16980 + ... + 17039.

It is an arithmetic number, because the mean of its divisors is an integer number (153090).

2^1020570 is an apocalyptic number.

1020570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020570 is an abundant number, since it is smaller than the sum of its proper divisors (1428870).

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

1020570 is a wasteful number, since it uses less digits than its factorization.

1020570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34029.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 1020570 is about 1010.2326464731. The cubic root of 1020570 is about 100.6810182795.

Adding to 1020570 its reverse (750201), we get a palindrome (1770771).

The spelling of 1020570 in words is "one million, twenty thousand, five hundred seventy".