1020632 has 8 divisors (see below), whose sum is σ = 1913700. Its totient is φ = 510312.

The previous prime is 1020631. The next prime is 1020667. The reversal of 1020632 is 2360201.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020631) by changing a digit.

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 as a sum of consecutive naturals, namely, 63782 + ... + 63797.

2^1020632 is an apocalyptic number.

It is an amenable number.

1020632 is a deficient number, since it is larger than the sum of its proper divisors (893068).

1020632 is a wasteful number, since it uses less digits than its factorization.

1020632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127585 (or 127581 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1020632 is about 1010.2633320080. The cubic root of 1020632 is about 100.6830570411.

Adding to 1020632 its reverse (2360201), we get a palindrome (3380833).

The spelling of 1020632 in words is "one million, twenty thousand, six hundred thirty-two".