801321270 has 16 divisors (see below), whose sum is σ = 1923171120. Its totient is φ = 213685664.

The previous prime is 801321223. The next prime is 801321281. The reversal of 801321270 is 72123108.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 801321270.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13355325 + ... + 13355384.

It is an arithmetic number, because the mean of its divisors is an integer number (120198195).

Almost surely, 2^801321270 is an apocalyptic number.

801321270 is an abundant number, since it is smaller than the sum of its proper divisors (1121849850).

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

801321270 is a wasteful number, since it uses less digits than its factorization.

801321270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26710719.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 801321270 is about 28307.6185858154. The cubic root of 801321270 is about 928.8285516302.

Adding to 801321270 its reverse (72123108), we get a palindrome (873444378).

The spelling of 801321270 in words is "eight hundred one million, three hundred twenty-one thousand, two hundred seventy".