1021130196 has 12 divisors (see below), whose sum is σ = 2382637152. Its totient is φ = 340376728.

The previous prime is 1021130161. The next prime is 1021130207. The reversal of 1021130196 is 6910311201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42547080 + ... + 42547103.

It is an arithmetic number, because the mean of its divisors is an integer number (198553096).

Almost surely, 2^1021130196 is an apocalyptic number.

It is an amenable number.

1021130196 is an abundant number, since it is smaller than the sum of its proper divisors (1361506956).

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

1021130196 is a wasteful number, since it uses less digits than its factorization.

1021130196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85094190 (or 85094188 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 1021130196 is about 31955.1278514106. The cubic root of 1021130196 is about 1006.9943634887.

Adding to 1021130196 its reverse (6910311201), we get a palindrome (7931441397).

The spelling of 1021130196 in words is "one billion, twenty-one million, one hundred thirty thousand, one hundred ninety-six".