1010021250 has 160 divisors (see below), whose sum is σ = 2919565440. Its totient is φ = 228096000.

The previous prime is 1010021213. The next prime is 1010021267. The reversal of 1010021250 is 521200101.

1010021250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2861074 + ... + 2861426.

It is an arithmetic number, because the mean of its divisors is an integer number (18247284).

Almost surely, 2^1010021250 is an apocalyptic number.

1010021250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1010021250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1459782720).

1010021250 is an abundant number, since it is smaller than the sum of its proper divisors (1909544190).

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

1010021250 is a wasteful number, since it uses less digits than its factorization.

1010021250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1010021250 is about 31780.8314869199. The cubic root of 1010021250 is about 1003.3293199939.

Adding to 1010021250 its reverse (521200101), we get a palindrome (1531221351).

The spelling of 1010021250 in words is "one billion, ten million, twenty-one thousand, two hundred fifty".