1020964 has 18 divisors (see below), whose sum is σ = 2078790. Its totient is φ = 437472.

The previous prime is 1020961. The next prime is 1020967. The reversal of 1020964 is 4690201.

It is an interprime number because it is at equal distance from previous prime (1020961) and next prime (1020967).

It can be written as a sum of positive squares in only one way, i.e., 1016064 + 4900 = 1008^2 + 70^2 .

It is not an unprimeable number, because it can be changed into a prime (1020961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2409 + ... + 2800.

2^1020964 is an apocalyptic number.

1020964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1020964 is an abundant number, since it is smaller than the sum of its proper divisors (1057826).

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

1020964 is a wasteful number, since it uses less digits than its factorization.

1020964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227 (or 5218 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1020964 is about 1010.4276322429. The cubic root of 1020964 is about 100.6939728759.

The spelling of 1020964 in words is "one million, twenty thousand, nine hundred sixty-four".