1021000632 has 32 divisors (see below), whose sum is σ = 2555652480. Its totient is φ = 339913440.

The previous prime is 1021000601. The next prime is 1021000633. The reversal of 1021000632 is 2360001201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021000633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6094 + ... + 45597.

It is an arithmetic number, because the mean of its divisors is an integer number (79864140).

Almost surely, 2^1021000632 is an apocalyptic number.

1021000632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1021000632 is an abundant number, since it is smaller than the sum of its proper divisors (1534651848).

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

1021000632 is a wasteful number, since it uses less digits than its factorization.

1021000632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52523 (or 52519 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1021000632 is about 31953.1005068366. The cubic root of 1021000632 is about 1006.9517715526.

Adding to 1021000632 its reverse (2360001201), we get a palindrome (3381001833).

The spelling of 1021000632 in words is "one billion, twenty-one million, six hundred thirty-two", and thus it is an aban number.