1021134300 has 72 divisors (see below), whose sum is σ = 2964820656. Its totient is φ = 271349760.

The previous prime is 1021134263. The next prime is 1021134307. The reversal of 1021134300 is 34311201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1021134300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021134307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82092 + ... + 93708.

Almost surely, 2^1021134300 is an apocalyptic number.

1021134300 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 1021134300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1482410328).

1021134300 is an abundant number, since it is smaller than the sum of its proper divisors (1943686356).

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

1021134300 is a wasteful number, since it uses less digits than its factorization.

1021134300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11927 (or 11920 counting only the distinct ones).

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

The square root of 1021134300 is about 31955.1920663920. The cubic root of 1021134300 is about 1006.9957125492.

Adding to 1021134300 its reverse (34311201), we get a palindrome (1055445501).

The spelling of 1021134300 in words is "one billion, twenty-one million, one hundred thirty-four thousand, three hundred".