1324128090 has 32 divisors (see below), whose sum is σ = 3193891200. Its totient is φ = 351324864.

The previous prime is 1324128067. The next prime is 1324128119. The reversal of 1324128090 is 908214231.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 104929 + ... + 116868.

It is an arithmetic number, because the mean of its divisors is an integer number (99809100).

Almost surely, 2^1324128090 is an apocalyptic number.

1324128090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1324128090 is an abundant number, since it is smaller than the sum of its proper divisors (1869763110).

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

1324128090 is a wasteful number, since it uses less digits than its factorization.

1324128090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222006.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1324128090 is about 36388.5708705357. The cubic root of 1324128090 is about 1098.1036444842.

The spelling of 1324128090 in words is "one billion, three hundred twenty-four million, one hundred twenty-eight thousand, ninety".