272121010 has 24 divisors (see below), whose sum is σ = 569789100. Its totient is φ = 93298464.

The previous prime is 272121001. The next prime is 272121029. The reversal of 272121010 is 10121272.

It can be written as a sum of positive squares in 2 ways, for example, as 248724441 + 23396569 = 15771^2 + 4837^2 .

It is an alternating number because its digits alternate between even and odd.

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, 277185 + ... + 278164.

Almost surely, 2^272121010 is an apocalyptic number.

272121010 is an abundant number, since it is smaller than the sum of its proper divisors (297668090).

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

272121010 is a wasteful number, since it uses less digits than its factorization.

272121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555370 (or 555363 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 272121010 is about 16496.0907490229. The cubic root of 272121010 is about 648.0184306728.

Adding to 272121010 its reverse (10121272), we get a palindrome (282242282).

The spelling of 272121010 in words is "two hundred seventy-two million, one hundred twenty-one thousand, ten".