1021460500 has 48 divisors (see below), whose sum is σ = 2237259024. Its totient is φ = 407414400.

The previous prime is 1021460497. The next prime is 1021460507. The reversal of 1021460500 is 50641201.

It can be written as a sum of positive squares in 8 ways, for example, as 42146064 + 979314436 = 6492^2 + 31294^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021460507) 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 in 15 ways as a sum of consecutive naturals, for example, 183762 + ... + 189238.

It is an arithmetic number, because the mean of its divisors is an integer number (46609563).

Almost surely, 2^1021460500 is an apocalyptic number.

1021460500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021460500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118629512).

1021460500 is an abundant number, since it is smaller than the sum of its proper divisors (1215798524).

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

1021460500 is a wasteful number, since it uses less digits than its factorization.

1021460500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869 (or 5857 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1021460500 is about 31960.2956807349. The cubic root of 1021460500 is about 1007.1029289490.

The spelling of 1021460500 in words is "one billion, twenty-one million, four hundred sixty thousand, five hundred".