1130021010 has 128 divisors (see below), whose sum is σ = 3192134400. Its totient is φ = 283668480.

The previous prime is 1130020999. The next prime is 1130021017. The reversal of 1130021010 is 101200311.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1130020983 and 1130021001.

It is not an unprimeable number, because it can be changed into a prime (1130021017) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 927922 + ... + 929138.

It is an arithmetic number, because the mean of its divisors is an integer number (24938550).

Almost surely, 2^1130021010 is an apocalyptic number.

1130021010 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 1130021010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1596067200).

1130021010 is an abundant number, since it is smaller than the sum of its proper divisors (2062113390).

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

1130021010 is a wasteful number, since it uses less digits than its factorization.

1130021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1130021010 is about 33615.7851313933. The cubic root of 1130021010 is about 1041.5868926073.

Adding to 1130021010 its reverse (101200311), we get a palindrome (1231221321).

The spelling of 1130021010 in words is "one billion, one hundred thirty million, twenty-one thousand, ten".