1020164 has 24 divisors (see below), whose sum is σ = 1880088. Its totient is φ = 483840.

The previous prime is 1020163. The next prime is 1020223. The reversal of 1020164 is 4610201.

It can be written as a sum of positive squares in 4 ways, for example, as 64 + 1020100 = 8^2 + 1010^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020163) 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, 8972 + ... + 9084.

It is an arithmetic number, because the mean of its divisors is an integer number (78337).

2^1020164 is an apocalyptic number.

It is an amenable number.

1020164 is a deficient number, since it is larger than the sum of its proper divisors (859924).

1020164 is a wasteful number, since it uses less digits than its factorization.

1020164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1020164 is about 1010.0316826714. The cubic root of 1020164 is about 100.6676656383.

Adding to 1020164 its reverse (4610201), we get a palindrome (5630365).

It can be divided in two parts, 10201 and 64, that multiplied together give a square (652864 = 808²).

The spelling of 1020164 in words is "one million, twenty thousand, one hundred sixty-four".