1320838474 has 8 divisors (see below), whose sum is σ = 1987137828. Its totient is φ = 658459200.

The previous prime is 1320838471. The next prime is 1320838507. The reversal of 1320838474 is 4748380231.

It can be written as a sum of positive squares in 2 ways, for example, as 1247855625 + 72982849 = 35325^2 + 8543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1320838474² = 3489228548797297352, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320838471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 979177 + ... + 980524.

Almost surely, 2^1320838474 is an apocalyptic number.

1320838474 is a deficient number, since it is larger than the sum of its proper divisors (666299354).

1320838474 is a wasteful number, since it uses less digits than its factorization.

1320838474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960040.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 1320838474 is about 36343.3415359678. The cubic root of 1320838474 is about 1097.1935273697.

The spelling of 1320838474 in words is "one billion, three hundred twenty million, eight hundred thirty-eight thousand, four hundred seventy-four".