1328623122 has 32 divisors (see below), whose sum is σ = 2736405504. Its totient is φ = 429795200.

The previous prime is 1328623099. The next prime is 1328623147. The reversal of 1328623122 is 2213268231.

It is a self number, because there is not a number n which added to its sum of digits gives 1328623122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32848 + ... + 61124.

It is an arithmetic number, because the mean of its divisors is an integer number (85512672).

Almost surely, 2^1328623122 is an apocalyptic number.

1328623122 is an abundant number, since it is smaller than the sum of its proper divisors (1407782382).

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

1328623122 is a wasteful number, since it uses less digits than its factorization.

1328623122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28514.

The product of its digits is 6912, while the sum is 30.

The square root of 1328623122 is about 36450.2828795608. The cubic root of 1328623122 is about 1099.3448225155.

The spelling of 1328623122 in words is "one billion, three hundred twenty-eight million, six hundred twenty-three thousand, one hundred twenty-two".