1469320128 has 56 divisors (see below), whose sum is σ = 4319534160. Its totient is φ = 489772800.

The previous prime is 1469320123. The next prime is 1469320133. The reversal of 1469320128 is 8210239641.

It is an interprime number because it is at equal distance from previous prime (1469320123) and next prime (1469320133).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1469320092 and 1469320101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1469320123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423423 + ... + 426878.

Almost surely, 2^1469320128 is an apocalyptic number.

1469320128 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1469320128 is an abundant number, since it is smaller than the sum of its proper divisors (2850214032).

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

1469320128 is an equidigital number, since it uses as much as digits as its factorization.

1469320128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850322 (or 850306 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1469320128 is about 38331.7117801958. The cubic root of 1469320128 is about 1136.8560465477.

Adding to 1469320128 its reverse (8210239641), we get a palindrome (9679559769).

The spelling of 1469320128 in words is "one billion, four hundred sixty-nine million, three hundred twenty thousand, one hundred twenty-eight".