1320841473 has 16 divisors (see below), whose sum is σ = 2013845376. Its totient is φ = 754341120.

The previous prime is 1320841439. The next prime is 1320841513. The reversal of 1320841473 is 3741480231.

It is not a de Polignac number, because 1320841473 - 2¹³ = 1320833281 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1320842473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22543 + ... + 56123.

It is an arithmetic number, because the mean of its divisors is an integer number (125865336).

Almost surely, 2^1320841473 is an apocalyptic number.

It is an amenable number.

1320841473 is a deficient number, since it is larger than the sum of its proper divisors (693003903).

1320841473 is a wasteful number, since it uses less digits than its factorization.

1320841473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35464.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 1320841473 is about 36343.3827952215. The cubic root of 1320841473 is about 1097.1943577718.

The spelling of 1320841473 in words is "one billion, three hundred twenty million, eight hundred forty-one thousand, four hundred seventy-three".