1021300104 has 64 divisors (see below), whose sum is σ = 2806721280. Its totient is φ = 307112000.

The previous prime is 1021300097. The next prime is 1021300121. The reversal of 1021300104 is 4010031201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1021300104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19819 + ... + 49349.

It is an arithmetic number, because the mean of its divisors is an integer number (43855020).

Almost surely, 2^1021300104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1021300104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1403360640).

1021300104 is an abundant number, since it is smaller than the sum of its proper divisors (1785421176).

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

1021300104 is a wasteful number, since it uses less digits than its factorization.

1021300104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29682 (or 29678 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1021300104 is about 31957.7862812805. The cubic root of 1021300104 is about 1007.0502123609.

Adding to 1021300104 its reverse (4010031201), we get a palindrome (5031331305).

The spelling of 1021300104 in words is "one billion, twenty-one million, three hundred thousand, one hundred four".