1021231130 has 16 divisors (see below), whose sum is σ = 1852692480. Its totient is φ = 405275472.

The previous prime is 1021231121. The next prime is 1021231139. The reversal of 1021231130 is 311321201.

1021231130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1021231121) and next prime (1021231139).

It is not an unprimeable number, because it can be changed into a prime (1021231139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400790 + ... + 403329.

It is an arithmetic number, because the mean of its divisors is an integer number (115793280).

Almost surely, 2^1021231130 is an apocalyptic number.

1021231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021231130 is a deficient number, since it is larger than the sum of its proper divisors (831461350).

1021231130 is a wasteful number, since it uses less digits than its factorization.

1021231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804253.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1021231130 is about 31956.7071207282. The cubic root of 1021231130 is about 1007.0275413083.

Adding to 1021231130 its reverse (311321201), we get a palindrome (1332552331).

The spelling of 1021231130 in words is "one billion, twenty-one million, two hundred thirty-one thousand, one hundred thirty".