1321106130 has 48 divisors (see below), whose sum is σ = 3438264024. Its totient is φ = 351947520.

The previous prime is 1321106113. The next prime is 1321106153. The reversal of 1321106130 is 316011231.

It can be written as a sum of positive squares in 4 ways, for example, as 655001649 + 666104481 = 25593^2 + 25809^2 .

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

It is an unprimeable number.

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, 92040 + ... + 105420.

Almost surely, 2^1321106130 is an apocalyptic number.

1321106130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321106130 is an abundant number, since it is smaller than the sum of its proper divisors (2117157894).

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

1321106130 is a wasteful number, since it uses less digits than its factorization.

1321106130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14491 (or 14488 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1321106130 is about 36347.0236745734. The cubic root of 1321106130 is about 1097.2676344873.

Adding to 1321106130 its reverse (316011231), we get a palindrome (1637117361).

The spelling of 1321106130 in words is "one billion, three hundred twenty-one million, one hundred six thousand, one hundred thirty".