1073168420 has 36 divisors (see below), whose sum is σ = 2281426140. Its totient is φ = 424041024.

The previous prime is 1073168419. The next prime is 1073168443. The reversal of 1073168420 is 248613701.

It can be written as a sum of positive squares in 2 ways, for example, as 509675776 + 563492644 = 22576^2 + 23738^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133886 + ... + 141674.

Almost surely, 2^1073168420 is an apocalyptic number.

1073168420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1073168420 is an abundant number, since it is smaller than the sum of its proper divisors (1208257720).

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

1073168420 is an equidigital number, since it uses as much as digits as its factorization.

1073168420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7964 (or 7879 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1073168420 is about 32759.2493809000. The cubic root of 1073168420 is about 1023.8176873205.

The spelling of 1073168420 in words is "one billion, seventy-three million, one hundred sixty-eight thousand, four hundred twenty".