1326013122 has 64 divisors (see below), whose sum is σ = 3088419840. Its totient is φ = 371739456.

The previous prime is 1326013079. The next prime is 1326013163. The reversal of 1326013122 is 2213106231.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488493 + ... + 491199.

It is an arithmetic number, because the mean of its divisors is an integer number (48256560).

Almost surely, 2^1326013122 is an apocalyptic number.

1326013122 is an abundant number, since it is smaller than the sum of its proper divisors (1762406718).

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

1326013122 is a wasteful number, since it uses less digits than its factorization.

1326013122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2935.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1326013122 is about 36414.4630881742. The cubic root of 1326013122 is about 1098.6244850871.

Adding to 1326013122 its reverse (2213106231), we get a palindrome (3539119353).

The spelling of 1326013122 in words is "one billion, three hundred twenty-six million, thirteen thousand, one hundred twenty-two".