1021244130 has 48 divisors (see below), whose sum is σ = 2682631224. Its totient is φ = 269521920.

The previous prime is 1021244123. The next prime is 1021244131. The reversal of 1021244130 is 314421201.

1021244130 is a `hidden beast` number, since 10 + 212 + 441 + 3 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 519976809 + 501267321 = 22803^2 + 22389^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1021244131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49761 + ... + 67220.

Almost surely, 2^1021244130 is an apocalyptic number.

1021244130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021244130 is an abundant number, since it is smaller than the sum of its proper divisors (1661387094).

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

1021244130 is a wasteful number, since it uses less digits than its factorization.

1021244130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117091 (or 117088 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1021244130 is about 31956.9105202615. The cubic root of 1021244130 is about 1007.0318143542.

Adding to 1021244130 its reverse (314421201), we get a palindrome (1335665331).

The spelling of 1021244130 in words is "one billion, twenty-one million, two hundred forty-four thousand, one hundred thirty".