1210320130 has 16 divisors (see below), whose sum is σ = 2180126520. Its totient is φ = 483783552.

The previous prime is 1210320127. The next prime is 1210320149. The reversal of 1210320130 is 310230121.

It can be written as a sum of positive squares in 4 ways, for example, as 1071056529 + 139263601 = 32727^2 + 11801^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1210320130.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28059 + ... + 56638.

Almost surely, 2^1210320130 is an apocalyptic number.

1210320130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1210320130 is a deficient number, since it is larger than the sum of its proper divisors (969806390).

1210320130 is a wasteful number, since it uses less digits than its factorization.

1210320130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86133.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1210320130 is about 34789.6555027497. The cubic root of 1210320130 is about 1065.6962040294.

Adding to 1210320130 its reverse (310230121), we get a palindrome (1520550251).

Subtracting from 1210320130 its reverse (310230121), we obtain a palindrome (900090009).

The spelling of 1210320130 in words is "one billion, two hundred ten million, three hundred twenty thousand, one hundred thirty".