1321030134 has 24 divisors (see below), whose sum is σ = 2968241640. Its totient is φ = 440343216.

The previous prime is 1321030037. The next prime is 1321030153. The reversal of 1321030134 is 4310301231.

It is a super-2 number, since 2×1321030134² = 3490241229872115912, which contains 22 as substring.

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

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1358599 + ... + 1359570.

It is an arithmetic number, because the mean of its divisors is an integer number (123676735).

Almost surely, 2^1321030134 is an apocalyptic number.

1321030134 is an abundant number, since it is smaller than the sum of its proper divisors (1647211506).

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

1321030134 is an equidigital number, since it uses as much as digits as its factorization.

1321030134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718186 (or 2718174 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1321030134 is about 36345.9782369384. The cubic root of 1321030134 is about 1097.2465941515.

Adding to 1321030134 its reverse (4310301231), we get a palindrome (5631331365).

The spelling of 1321030134 in words is "one billion, three hundred twenty-one million, thirty thousand, one hundred thirty-four".